Rank	Countries/Territories	Count	Percent
1	United States	432	37.6%
2	China	372	32.3%
3	Germany	86	7.5%
4	India	44	3.8%
5	Japan	26	2.3%
6	Russia	21	1.8%
7	Iran, Islamic Republic of	18	1.6%
8	United Kingdom	15	1.3%
9	Canada	14	1.2%
10	Czech Republic	12	1%
11	Singapore	12	1%
12	Netherlands	12	1%
13	Australia	11	1%
14	Hong Kong	8	0.7%
15	Korea, Republic of	7	0.6%
16	Cote D'ivoire	5	0.4%
17	Brazil	4	0.3%
18	Argentina	4	0.3%
19	Spain	4	0.3%
20	Romania	4	0.3%
21	Turkey	4	0.3%
22	Poland	3	0.3%
23	Ireland	3	0.3%
24	France	3	0.3%
25	Finland	2	0.2%
26	Greece	2	0.2%
27	Cyprus	2	0.2%
28	Colombia	2	0.2%
29	Italy	2	0.2%
30	Kazakhstan	2	0.2%
31	Portugal	2	0.2%
32	Norway	2	0.2%
33	Pakistan	2	0.2%
34	Viet Nam	2	0.2%
35	Uzbekistan	1	0.1%
36	Switzerland	1	0.1%
37	Taiwan	1	0.1%
38	Mexico	1	0.1%
39	Hungary	1	0.1%
40	Denmark	1	0.1%