Rank	Countries/Territories	Count	Percent
1	United States	644	36.7%
2	China	616	35.1%
3	Germany	101	5.7%
4	India	91	5.2%
5	Japan	27	1.5%
6	Russia	26	1.5%
7	France	23	1.3%
8	Canada	22	1.3%
9	United Kingdom	21	1.2%
10	Netherlands	20	1.1%
11	Iran, Islamic Republic of	18	1%
12	Singapore	14	0.8%
13	Hong Kong	14	0.8%
14	Australia	13	0.7%
15	Czech Republic	12	0.7%
16	Latvia	12	0.7%
17	Korea, Republic of	7	0.4%
18	Turkey	6	0.3%
19	Ireland	5	0.3%
20	Cote D'ivoire	5	0.3%
21	Bangladesh	4	0.2%
22	Brazil	4	0.2%
23	Argentina	4	0.2%
24	Greece	4	0.2%
25	Norway	4	0.2%
26	Romania	4	0.2%
27	Spain	4	0.2%
28	Mexico	3	0.2%
29	Poland	3	0.2%
30	Indonesia	3	0.2%
31	Italy	2	0.1%
32	Kazakhstan	2	0.1%
33	Portugal	2	0.1%
34	Pakistan	2	0.1%
35	Finland	2	0.1%
36	Cyprus	2	0.1%
37	Colombia	2	0.1%
38	Viet Nam	2	0.1%
39	Uzbekistan	1	0.1%
40	Switzerland	1	0.1%
41	Taiwan	1	0.1%
42	Denmark	1	0.1%
43	Hungary	1	0.1%
44	South Africa	1	0.1%
45	Israel	1	0.1%