Rank	Country	Keys
1	United States	143,812,708,468
2	Netherlands	61,609,011,106
3	Germany	41,515,212,799
4	United Kingdom	40,487,781,715
5	Canada	28,900,201,742
6	Poland	24,817,685,035
7	Australia	20,448,540,903
8	Sweden	18,555,098,525
9	Finland	13,344,722,921
10	Belgium	12,789,154,115