Rank	Countries/Territories	Count	Percent
1	United States	589	36%
2	China	574	35.1%
3	Germany	109	6.7%
4	Japan	59	3.6%
5	Russia	43	2.6%
6	Ireland	36	2.2%
7	Korea, Republic of	31	1.9%
8	United Kingdom	24	1.5%
9	India	18	1.1%
10	Latvia	17	1%
11	Taiwan	15	0.9%
12	Hong Kong	15	0.9%
13	France	14	0.9%
14	Israel	12	0.7%
15	Canada	11	0.7%
16	Australia	9	0.6%
17	Spain	9	0.6%
18	Singapore	7	0.4%
19	Cote D'ivoire	6	0.4%
20	Iran, Islamic Republic of	5	0.3%
21	Netherlands	4	0.2%
22	Greece	3	0.2%
23	Italy	2	0.1%
24	Brazil	2	0.1%
25	Bulgaria	2	0.1%
26	Argentina	2	0.1%
27	Romania	2	0.1%
28	Lithuania	2	0.1%
29	Turkey	2	0.1%
30	Ukraine	2	0.1%
31	Mongolia	2	0.1%
32	Switzerland	1	0.1%
33	Mexico	1	0.1%
34	Kyrgyzstan	1	0.1%
35	South Africa	1	0.1%
36	Cyprus	1	0.1%
37	Denmark	1	0.1%
38	Finland	1	0.1%