For hver 240 indbyggere er der et medlem af DBf:
1 Netherlands 86,873 Members (195 per head of population)
2 Denmark 23,319 (240)
3 New Zealand 14,439 (319)
4 Sweden 23,155 (423)
5 Norway 8,884 (585)
6 France 105,563 (635)
7 Australia 34,527 (692)
8 Scotland 6,412 (827)
9 Israel 6,699 1,254
10 England 37,194 1,449
14 Canada 19,966 1,793
15 USA 153,033 2,104
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