In England R is highest in the north-east and Yorkshire where it is estimated to be 0.8
Standfirst ...
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0
0.2
0.4
0.6
0.8
North-east and Yorkshire 0.8
South-west 0.76
England 0.75
North-west 0.73
East of England 0.71
South-east 0.71
Midlands 0.68
London 0.4