Rank	Countries/Territories	Count	Percent
1	United States	530	39.1%
2	China	318	23.4%
3	Germany	106	7.8%
4	India	96	7.1%
5	Serbia	39	2.9%
6	Russia	33	2.4%
7	Brazil	32	2.4%
8	Canada	32	2.4%
9	Australia	21	1.5%
10	Korea, Republic of	13	1%
11	Latvia	12	0.9%
12	Japan	11	0.8%
13	Cote D'ivoire	10	0.7%
14	France	9	0.7%
15	Netherlands	9	0.7%
16	Spain	7	0.5%
17	United Kingdom	7	0.5%
18	Viet Nam	6	0.4%
19	Austria	6	0.4%
20	Ireland	5	0.4%
21	Ukraine	5	0.4%
22	Hong Kong	4	0.3%
23	Sweden	4	0.3%
24	Taiwan	4	0.3%
25	Turkey	4	0.3%
26	Iran, Islamic Republic of	4	0.3%
27	Philippines	3	0.2%
28	Portugal	3	0.2%
29	Armenia	3	0.2%
30	Indonesia	3	0.2%
31	Singapore	3	0.2%
32	Norway	2	0.1%
33	Italy	2	0.1%
34	Cyprus	2	0.1%
35	Ecuador	2	0.1%
36	Romania	2	0.1%
37	Saudi Arabia	1	0.1%
38	Kyrgyzstan	1	0.1%
39	New Zealand	1	0.1%
40	Mongolia	1	0.1%
41	South Africa	1	0.1%