Rank	Countries/Territories	Count	Percent
1	United States	439	37.3%
2	China	333	28.3%
3	Russia	131	11.1%
4	Germany	73	6.2%
5	India	32	2.7%
6	Australia	18	1.5%
7	Hong Kong	17	1.4%
8	Japan	16	1.4%
9	Taiwan	13	1.1%
10	Canada	11	0.9%
11	France	9	0.8%
12	Netherlands	8	0.7%
13	Romania	6	0.5%
14	Ireland	6	0.5%
15	Israel	6	0.5%
16	Cote D'ivoire	6	0.5%
17	Sweden	5	0.4%
18	Malaysia	5	0.4%
19	Croatia	4	0.3%
20	Argentina	4	0.3%
21	Brazil	4	0.3%
22	Italy	4	0.3%
23	Iran, Islamic Republic of	4	0.3%
24	United Kingdom	4	0.3%
25	Slovakia	3	0.3%
26	South Africa	2	0.2%
27	Ukraine	2	0.2%
28	Norway	2	0.2%
29	Singapore	2	0.2%
30	Cyprus	2	0.2%
31	Czech Republic	2	0.2%
32	Greece	1	0.1%
33	Mexico	1	0.1%
34	Mongolia	1	0.1%
35	Korea, Republic of	1	0.1%
36	Viet Nam	1	0.1%