Rank	Countries/Territories	Count	Percent
1	United States	303	36.3%
2	China	217	26%
3	Germany	78	9.4%
4	India	40	4.8%
5	Japan	22	2.6%
6	Canada	17	2%
7	Netherlands	16	1.9%
8	United Kingdom	16	1.9%
9	Bulgaria	13	1.6%
10	Korea, Republic of	11	1.3%
11	Singapore	11	1.3%
12	Russia	9	1.1%
13	Hong Kong	9	1.1%
14	Sweden	7	0.8%
15	Mexico	7	0.8%
16	Turkey	6	0.7%
17	Cyprus	6	0.7%
18	Czech Republic	6	0.7%
19	Ireland	5	0.6%
20	Switzerland	3	0.4%
21	Cote D'ivoire	3	0.4%
22	Thailand	3	0.4%
23	Colombia	2	0.2%
24	Brazil	2	0.2%
25	Denmark	2	0.2%
26	Indonesia	2	0.2%
27	Iran, Islamic Republic of	2	0.2%
28	Spain	2	0.2%
29	Portugal	2	0.2%
30	Pakistan	2	0.2%
31	Poland	1	0.1%
32	Montenegro	1	0.1%
33	Lithuania	1	0.1%
34	Saudi Arabia	1	0.1%
35	Taiwan	1	0.1%
36	Ukraine	1	0.1%
37	France	1	0.1%
38	Argentina	1	0.1%
39	Australia	1	0.1%
40	Belgium	1	0.1%