Rank |
Country |
Keys |
1 |
United States
|
167,053,596,305 |
2 |
Netherlands
|
67,559,267,941 |
3 |
Germany
|
48,778,710,091 |
4 |
United Kingdom
|
46,729,482,550 |
5 |
Canada
|
32,713,576,353 |
6 |
Poland
|
27,586,480,522 |
7 |
Australia
|
23,513,484,223 |
8 |
Sweden
|
20,773,867,886 |
9 |
Finland
|
14,901,208,179 |
10 |
Norway
|
14,067,331,253 |