List of countries sorted by amount of pictures:

1. USA5117
2. Russia4627
3. Germany4332
4. Czech Republic2554
5. Israel2415
6. Poland1503
7. Ukraine1375
8. Thailand1322
9. China1190
10. United Kingdom1053
11. The Netherlands1028
12. France762
13. Colombia632
14. Belgium560
15. Austria530
16. Philippines496
17. Hungary483
18. Australia467
19. Belarus466
20. Canada449
21. South Korea438
22. Romania424
23. Slovakia347
24. Kazakhstan323
25. Denmark316
26. Switzerland305
27. Italy263
28. Uzbekistan235
29. Moldova172
30. Spain166
31. Armenia142
32. Estonia98
33. New Zealand92
34. Latvia90
35. Ireland51
36. Cyprus43
37. Cambodia24
38. Greece20
39. Turkey19
40. Finland1