Rank	Country	Keys
1	United States	149,531,604,408
2	Netherlands	63,118,075,212
3	Germany	43,008,802,864
4	United Kingdom	42,010,060,381
5	Canada	29,809,061,595
6	Poland	25,544,674,821
7	Australia	21,154,873,403
8	Sweden	19,156,481,791
9	Finland	13,829,185,339
10	Belgium	13,100,450,431