Rank	Countries/Territories	Count	Percent
1	United States	223	34%
2	China	171	26.1%
3	Germany	68	10.4%
4	India	33	5%
5	Japan	19	2.9%
6	United Kingdom	15	2.3%
7	Canada	14	2.1%
8	Netherlands	12	1.8%
9	Korea, Republic of	11	1.7%
10	Singapore	9	1.4%
11	Russia	8	1.2%
12	Bulgaria	8	1.2%
13	Mexico	7	1.1%
14	Sweden	7	1.1%
15	Turkey	6	0.9%
16	Czech Republic	6	0.9%
17	Ireland	5	0.8%
18	Cyprus	4	0.6%
19	Cote D'ivoire	3	0.5%
20	Switzerland	3	0.5%
21	Thailand	3	0.5%
22	Spain	2	0.3%
23	Portugal	2	0.3%
24	Colombia	2	0.3%
25	Brazil	2	0.3%
26	Indonesia	2	0.3%
27	Iran, Islamic Republic of	2	0.3%
28	Denmark	2	0.3%
29	Hong Kong	1	0.2%
30	Australia	1	0.2%
31	Belgium	1	0.2%
32	Ukraine	1	0.2%
33	Montenegro	1	0.2%
34	Saudi Arabia	1	0.2%
35	Poland	1	0.2%