The code for Bethnal Green charities is E09000030 - geog_la variable.
The code for Bolton charities is E08000001 - geog_la variable.
The code for Burnley charities is E07000117 - geog_la variable.
The code for Birmingham charities is E08000025 - geog_la variable.
use regno for linking with other datasets containing charity numbers
Categories of population density: 1 - most urban (>33 pph); 2 - very urban (26-33 pph); 3 - urban (13-26 pph); 4 - rural (1-13 pph);         5 - most rural (<1 pph).
Positive Townsend Index values indicate that an area has a higher rate of deprivation than the average for that year,                 while negative values indicate that deprivation is lower than the average.