Rank	Countries/Territories	Count	Percent
1	United States	299	29.3%
2	China	247	24.2%
3	Russia	196	19.2%
4	Germany	91	8.9%
5	India	23	2.3%
6	France	22	2.2%
7	Ireland	19	1.9%
8	Korea, Republic of	15	1.5%
9	Latvia	12	1.2%
10	Canada	11	1.1%
11	Israel	8	0.8%
12	Japan	8	0.8%
13	Hong Kong	7	0.7%
14	Netherlands	6	0.6%
15	United Kingdom	6	0.6%
16	Taiwan	5	0.5%
17	Viet Nam	5	0.5%
18	Portugal	3	0.3%
19	Australia	3	0.3%
20	Cyprus	3	0.3%
21	Czech Republic	2	0.2%
22	Denmark	2	0.2%
23	Brazil	2	0.2%
24	Hungary	2	0.2%
25	Italy	2	0.2%
26	Malaysia	2	0.2%
27	Thailand	2	0.2%
28	Ukraine	2	0.2%
29	Sweden	2	0.2%
30	Slovakia	2	0.2%
31	South Africa	2	0.2%
32	Spain	1	0.1%
33	Saudi Arabia	1	0.1%
34	Singapore	1	0.1%
35	Mongolia	1	0.1%
36	Iran, Islamic Republic of	1	0.1%
37	Greece	1	0.1%
38	Bangladesh	1	0.1%
39	Uruguay	1	0.1%