Rank	Country	Keys
1	United States	155,329,486,706
2	Netherlands	64,769,932,692
3	Germany	44,509,999,443
4	United Kingdom	43,691,192,117
5	Canada	30,776,130,603
6	Poland	26,124,050,609
7	Australia	21,883,446,367
8	Sweden	19,680,307,218
9	Finland	14,252,655,523
10	Belgium	13,445,645,229