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