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<div>As an exercise in measuring OSM<span>ís </span>coverage I have crunched the numbers in GregRSís CSV output to calculate the number of OSM candidates in each district as a proportion of the number of FHRS entries that the program reports. The figures are
 a bit arbitrary and values over 100% are not necessarily wrong. The tool doesnít cover Northern Ireland.<br>
<br>
The list is:<br>
<br>
1     Tendring     135.07%<br>
2     Gravesham     117.93%<br>
3     Isles of Scilly     117.81%<br>
4     Rushcliffe     117.58%<br>
5     Blackpool     108.66%<br>
6     East Northamptonshire     108.17%<br>
7     Wellingborough     107.94%<br>
8     Guildford     107.82%<br>
9     Erewash     106.40%<br>
10     Broxtowe     106.14%<br>
11     Argyll and Bute     105.49%<br>
12     Islington     104.16%<br>
13     Gedling     98.48%<br>
14     South Cambridgeshire     97.83%<br>
15     Edinburgh     97.60%<br>
16     Nottingham     97.45%<br>
17     Derbyshire Dales     97.07%<br>
18     Cambridge     96.83%<br>
19     Allerdale     94.78%<br>
20     Wychavon     94.78%<br>
21     West Devon     94.47%<br>
22     Bath and North East Somerset     93.83%<br>
23     Oxford     93.09%<br>
24     Aberdeenshire     92.90%<br>
25     Ryedale     90.70%<br>
26     Mid Devon     89.31%<br>
27     Central Bedfordshire     88.97%<br>
28     Westminster     87.99%<br>
29     South Norfolk     87.13%<br>
30     South Lakeland     86.94%<br>
31     Amber Valley     86.34%<br>
32     Birmingham     85.27%<br>
33     Poole     84.66%<br>
34     Melton     83.60%<br>
35     Lancaster     82.43%<br>
36     Southampton     82.31%<br>
37     South Ribble     81.76%<br>
38     Basingstoke and Deane     81.49%<br>
39     Sevenoaks     81.44%<br>
40     Staffordshire Moorlands     81.22%<br>
41     Camden     81.09%<br>
42     South Hams     80.09%<br>
43     Copeland     79.87%<br>
44     Carlisle     79.84%<br>
45     Gateshead     79.72%<br>
46     Hart     79.69%<br>
47     New Forest     79.65%<br>
48     Winchester     79.49%<br>
49     High Peak     79.23%<br>
50     Eden     78.69%<br>
51     South Tyneside     78.59%<br>
52     Rutland     78.34%<br>
53     Perth and Kinross     77.14%<br>
54     Derby     77.05%<br>
55     East Cambridgeshire     76.82%<br>
56     Shetland Islands     76.34%<br>
57     Breckland     76.18%<br>
58     North East Derbyshire     76.15%<br>
59     Bristol     75.91%<br>
60     Huntingdonshire     75.45%<br>
61     Rother     75.34%<br>
62     Sir Ynys Mon - Isle of Anglesey     75.00%<br>
63     Malvern Hills     74.92%<br>
64     Chelmsford     74.79%<br>
65     Hambleton     74.79%<br>
66     St. Albans     74.31%<br>
67     Sutton     73.25% (corrected)<br>
68     Shropshire     72.57%<br>
69     Ashfield     72.34%<br>
70     Richmondshire     71.91%<br>
71     Lambeth     71.70%<br>
72     Sir Ddinbych - Denbighshire     71.52%<br>
73     Tewkesbury     71.37%<br>
74     Runnymede     71.23%<br>
75     Chesterfield     70.80%<br>
76     Stratford-on-Avon     70.73%<br>
77     Fenland     70.50%<br>
78     South Oxfordshire     70.38%<br>
79     Uttlesford     70.05%<br>
80     York     69.92%<br>
81     Exeter     69.82%<br>
82     West Berkshire     69.75%<br>
83     South Gloucestershire     69.64%<br>
84     Cornwall     69.64%<br>
85     Bromsgrove     69.37%<br>
86     Waverley     69.29%<br>
87     Medway     69.28%<br>
88     Wokingham     69.19%<br>
89     North Dorset     68.99%<br>
90     Wyre Forest     68.86%<br>
91     Cherwell     68.73%<br>
92     Highland     68.55%<br>
93     Taunton Deane     68.41%<br>
94     Cotswold     68.40%<br>
95     Mole Valley     68.32%<br>
96     Eastleigh     67.89%<br>
97     Selby     67.86%<br>
98     West Oxfordshire     67.85%<br>
99     St. Edmundsbury     67.69%<br>
100     East Hampshire     67.66%<br>
101     Test Valley     67.52%<br>
102     Chiltern     67.02%<br>
103     Weymouth and Portland     66.84%<br>
104     Wiltshire     66.35%<br>
105     Midlothian     66.10%<br>
106     Rugby     66.00%<br>
107     Maldon     65.99%<br>
108     Na h-Eileanan an Iar     65.84%<br>
109     Bedford     65.69%<br>
110     East Staffordshire     65.37%<br>
111     Leeds     65.30%<br>
112     Waltham Forest     65.24%<br>
113     City of London     65.10%<br>
114     Wakefield     65.03%<br>
115     East Hertfordshire     64.90%<br>
116     Christchurch     64.74%<br>
117     Three Rivers     64.61%<br>
118     Northumberland     64.60%<br>
119     Darlington     64.55%<br>
120     Abertawe - Swansea     64.31%<br>
121     Gwynedd - Gwynedd     64.16%<br>
122     Reading     64.13%<br>
123     Stroud     63.85%<br>
124     Suffolk Coastal     63.84%<br>
125     East Riding of Yorkshire     63.76%<br>
126     North Hertfordshire     63.68%<br>
127     Cheshire East     63.65%<br>
128     Orkney Islands     63.60%<br>
129     Craven     63.60%<br>
130     Mid Suffolk     63.25%<br>
131     Sheffield     63.22%<br>
132     Tamworth     63.13%<br>
133     Norwich     62.95%<br>
134     Solihull     62.82%<br>
135     Warwick     62.75%<br>
136     North West Leicestershire     62.67%<br>
137     West Dorset     62.61%<br>
138     Kensington and Chelsea     62.53%<br>
139     Surrey Heath     62.34%<br>
140     Vale of White Horse     62.33%<br>
141     North Warwickshire     61.97%<br>
142     Hammersmith and Fulham     61.87%<br>
143     Sandwell     61.83%<br>
144     Aylesbury Vale     61.49%<br>
145     Torbay     61.41%<br>
146     Charnwood     61.31%<br>
147     Ipswich     61.26%<br>
148     South Staffordshire     61.21%<br>
149     Ashford     61.00%<br>
150     East Devon     61.00%<br>
151     Hinckley and Bosworth     60.94%<br>
152     Sir y Fflint - Flintshire     60.85%<br>
153     Richmond upon Thames     60.84%<br>
154     South Derbyshire     60.81%<br>
155     North Somerset     60.70%<br>
156     Wandsworth     60.46%<br>
157     Sir Fynwy - Monmouthshire     60.30%<br>
158     Forest Heath     60.27%<br>
159     Great Yarmouth     60.15%<br>
160     Isle of Wight     59.95%<br>
161     Dacorum     59.91%<br>
162     Scarborough     59.80%<br>
163     Forest of Dean     59.54%<br>
164     Teignbridge     59.22%<br>
165     Harborough     58.92%<br>
166     Chichester     58.85%<br>
167     Redditch     58.82%<br>
168     Coventry     58.64%<br>
169     Swindon     58.55%<br>
170     Newcastle upon Tyne     58.48%<br>
171     Worcester     58.28%<br>
172     Cheltenham     57.93%<br>
173     Broadland     57.70%<br>
174     Portsmouth     57.55%<br>
175     Stafford     57.44%<br>
176     Horsham     57.43%<br>
177     West Lothian     57.40%<br>
178     Hackney     57.39%<br>
179     Halton     57.21%<br>
180     Swale     56.91%<br>
181     Bolsover     56.56%<br>
182     Southwark     56.49%<br>
183     North Kesteven     56.06%<br>
184     Tower Hamlets     56.02%<br>
185     Welwyn Hatfield     55.98%<br>
186     Wycombe     55.66%<br>
187     Canterbury     55.32%<br>
188     Spelthorne     54.89%<br>
189     Blaby     54.55%<br>
190     Herefordshire     54.15%<br>
191     Sedgemoor     54.07%<br>
192     Colchester     53.89%<br>
193     Reigate and Banstead     53.47%<br>
194     Newark and Sherwood     53.38%<br>
195     Hertsmere     53.31%<br>
196     Lichfield     53.30%<br>
197     County Durham     53.03%<br>
198     Maidstone     52.81%<br>
199     Aberdeen     52.78%<br>
200     Milton Keynes     52.67%<br>
201     South Northamptonshire     52.40%<br>
202     Cheshire West and Chester     52.10%<br>
203     Tunbridge Wells     52.10%<br>
204     Mendip     52.07%<br>
205     Braintree     51.93%<br>
206     Harrogate     51.62%<br>
207     Bassetlaw     51.60%<br>
208     Glasgow     51.49%<br>
209     Woking     51.29%<br>
210     Babergh     51.14%<br>
211     Walsall     51.13%<br>
212     Bro Morgannwg - the Vale of Glamorgan     51.00%<br>
213     Brent     50.87%<br>
214     East Dorset     50.70%<br>
215     Epsom and Ewell     50.29%<br>
216     Brighton and Hove     49.82%<br>
217     North Norfolk     49.77%<br>
218     Sir Gaerfyrddin - Carmarthenshire     49.75%<br>
219     Stockton-on-Tees     49.68%<br>
220     Bournemouth     49.58%<br>
221     Kettering     49.55%<br>
222     Boston     49.32%<br>
223     Conwy - Conwy     49.15%<br>
224     Wirral     49.01%<br>
225     Haringey     48.84%<br>
226     Tonbridge and Malling     48.72%<br>
227     Telford and Wrekin     48.71%<br>
228     Sefton     48.68%<br>
229     King's Lynn and West Norfolk     48.49%<br>
230     Powys - Powys     48.38%<br>
231     East Lothian     48.31%<br>
232     Ribble Valley     48.06%<br>
233     Daventry     48.05%<br>
234     Newcastle-under-Lyme     47.93%<br>
235     Leicester     47.72%<br>
236     Shepway     47.59%<br>
237     Manchester     47.57%<br>
238     Lewisham     47.47%<br>
239     Tandridge     47.47%<br>
240     Luton     47.42%<br>
241     Kirklees     47.39%<br>
242     Torridge     46.97%<br>
243     Bury     46.75%<br>
244     North Devon     46.75%<br>
245     Harrow     46.67%<br>
246     Rushmoor     46.63%<br>
247     Pen-y-bont ar Ogwr - Bridgend     46.38%<br>
248     Stockport     46.33%<br>
249     Sunderland     46.33%<br>
250     Wealden     46.25%<br>
251     Purbeck     46.24%<br>
252     Stevenage     46.06%<br>
253     Caerdydd - Cardiff     46.02%<br>
254     Sir Ceredigion - Ceredigion     46.02%<br>
255     Barrow-in-Furness     45.89%<br>
256     Fareham     45.86%<br>
257     Windsor and Maidenhead     45.75%<br>
258     Havant     45.44%<br>
259     Bromley     45.40%<br>
260     Elmbridge     45.30%<br>
261     Fylde     45.14%<br>
262     West Lindsey     44.72%<br>
263     Mansfield     44.69%<br>
264     Crawley     44.56%<br>
265     East Lindsey     44.54%<br>
266     Dartford     44.44%<br>
267     Chorley     44.35%<br>
268     Rochford     44.12%<br>
269     East Dunbartonshire     44.11%<br>
270     West Lancashire     43.97%<br>
271     Dudley     43.96%<br>
272     Broxbourne     43.30%<br>
273     South Holland     42.97%<br>
274     Barnsley     42.92%<br>
275     Oadby and Wigston     42.81%<br>
276     Wrecsam - Wrexham     42.59%<br>
277     Kingston upon Hull     42.42%<br>
278     West Somerset     42.40%<br>
279     Bracknell Forest     42.28%<br>
280     East Renfrewshire     42.27%<br>
281     Castell-nedd Port Talbot - Neath Port Talbot     41.35%<br>
282     Wyre     41.27%<br>
283     Fife     41.05%<br>
284     South Bucks     41.03%<br>
285     Casnewydd - Newport     41.00%<br>
286     Barnet     40.68%<br>
287     Trafford     40.54%<br>
288     Lewes     40.52%<br>
289     Brentwood     40.52%<br>
290     Harlow     40.48%<br>
291     Thanet     40.37%<br>
292     Greenwich     40.17%<br>
293     Arun     40.14%<br>
294     Thurrock     40.10%<br>
295     Bradford     39.99%<br>
296     Gloucester     39.97%<br>
297     Angus     39.75%<br>
298     South Ayrshire     39.67%<br>
299     Barking and Dagenham     39.48%<br>
300     Hartlepool     39.46%<br>
301     Scottish Borders     39.35%<br>
302     North Tyneside     39.28%<br>
303     Liverpool     39.23%<br>
304     South Kesteven     39.21%<br>
305     Mid Sussex     39.16%<br>
306     Tameside     38.94%<br>
307     Newham     38.93%<br>
308     Wolverhampton     38.83%<br>
309     Moray     38.45%<br>
310     Plymouth     38.39%<br>
311     South Lanarkshire     38.33%<br>
312     Dover     38.22%<br>
313     Epping Forest     38.08%<br>
314     Middlesbrough     37.72%<br>
315     Lincoln     37.70%<br>
316     Caerffili - Caerphilly     37.57%<br>
317     Merton     37.08%<br>
318     Croydon     37.00%<br>
319     South Somerset     36.84%<br>
320     Enfield     36.54%<br>
321     Ealing     36.48%<br>
322     Stoke-on-Trent     36.44%<br>
323     Hounslow     36.12%<br>
324     North Lanarkshire     35.70%<br>
325     Rhondda Cynon Taf - Rhondda Cynon Taf     35.61%<br>
326     Kingston upon Thames     35.56% (16/12)<br>
327     North Lincolnshire     35.39%<br>
328     Dundee     35.01%<br>
329     Sir Benfro - Pembrokeshire     34.95%<br>
330     Gosport     34.93%<br>
331     Hyndburn     34.88%<br>
332     Hastings     34.63%<br>
333     North East Lincolnshire     34.53%<br>
334     Waveney     34.42%<br>
335     Northampton     34.34%<br>
336     Bexley     34.26%<br>
337     Corby     33.71%<br>
338     Watford     33.59%<br>
339     Preston     33.45%<br>
340     Southend-on-Sea     33.26%<br>
341     Calderdale     32.53%<br>
342     Slough     32.35%<br>
343     North Ayrshire     32.06%<br>
344     Hillingdon     31.54%<br>
345     Nuneaton and Bedworth     31.36%<br>
346     Pendle     31.01%<br>
347     Falkirk     31.01%<br>
348     Redcar and Cleveland     30.91%<br>
349     Adur     30.64%<br>
350     Rotherham     30.46%<br>
351     St. Helens     29.95%<br>
352     Warrington     29.91%<br>
353     Tor-faen - Torfaen     29.53%<br>
354     Blackburn with Darwen     29.37%<br>
355     Peterborough     29.15%<br>
356     Salford     29.13%<br>
357     West Dunbartonshire     29.10%<br>
358     Cannock Chase     28.77%<br>
359     Knowsley     28.60%<br>
360     Redbridge     28.54%<br>
361     Merthyr Tudful - Merthyr Tydfil     27.64%<br>
362     East Ayrshire     27.62%<br>
363     Rochdale     27.18%<br>
364     Rossendale     27.16%<br>
365     Havering     26.80%<br>
366     Worthing     25.83%<br>
367     Oldham     25.74%<br>
368     Renfrewshire     25.52%<br>
369     Bolton     25.21%<br>
370     Wigan     25.07%<br>
371     Basildon     23.95%<br>
372     Clackmannanshire     23.84%<br>
373     Inverclyde     22.45%<br>
374     Doncaster     21.91%<br>
375     Castle Point     19.71%<br>
376     Burnley     17.98%<br>
377     Eastbourne     16.24%<br>
    <br>
--<br>
Andrew<br>
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