Rank	Countries/Territories	Count	Percent
1	United States	461	37.9%
2	China	398	32.7%
3	Germany	87	7.1%
4	India	49	4%
5	Japan	26	2.1%
6	Russia	21	1.7%
7	Iran, Islamic Republic of	18	1.5%
8	Canada	16	1.3%
9	United Kingdom	15	1.2%
10	Singapore	14	1.2%
11	Netherlands	12	1%
12	Czech Republic	12	1%
13	Australia	11	0.9%
14	Hong Kong	8	0.7%
15	Korea, Republic of	7	0.6%
16	France	5	0.4%
17	Cote D'ivoire	5	0.4%
18	Brazil	4	0.3%
19	Argentina	4	0.3%
20	Spain	4	0.3%
21	Romania	4	0.3%
22	Turkey	4	0.3%
23	Poland	3	0.2%
24	Ireland	3	0.2%
25	Italy	2	0.2%
26	Kazakhstan	2	0.2%
27	Portugal	2	0.2%
28	Norway	2	0.2%
29	Pakistan	2	0.2%
30	Cyprus	2	0.2%
31	Colombia	2	0.2%
32	Finland	2	0.2%
33	Greece	2	0.2%
34	Viet Nam	2	0.2%
35	Uzbekistan	1	0.1%
36	Hungary	1	0.1%
37	Denmark	1	0.1%
38	Switzerland	1	0.1%
39	Taiwan	1	0.1%
40	Mexico	1	0.1%