Rank	Countries/Territories	Count	Percent
1	United States	305	33.3%
2	China	257	28.1%
3	Germany	71	7.8%
4	India	65	7.1%
5	Japan	28	3.1%
6	France	20	2.2%
7	Korea, Republic of	13	1.4%
8	Canada	13	1.4%
9	Belgium	12	1.3%
10	Netherlands	9	1%
11	Ukraine	9	1%
12	Singapore	8	0.9%
13	Hong Kong	8	0.9%
14	Cyprus	8	0.9%
15	Iran, Islamic Republic of	7	0.8%
16	Sweden	7	0.8%
17	Romania	7	0.8%
18	Switzerland	6	0.7%
19	Bulgaria	6	0.7%
20	United Kingdom	6	0.7%
21	Egypt	5	0.5%
22	Italy	5	0.5%
23	Russia	4	0.4%
24	Peru	4	0.4%
25	Finland	4	0.4%
26	Greece	4	0.4%
27	Ireland	4	0.4%
28	Cote D'ivoire	4	0.4%
29	Thailand	3	0.3%
30	Taiwan	2	0.2%
31	Hungary	2	0.2%
32	Lithuania	1	0.1%
33	Malaysia	1	0.1%
34	Senegal	1	0.1%
35	Chile	1	0.1%
36	Argentina	1	0.1%
37	Australia	1	0.1%
38	Bangladesh	1	0.1%
39	Israel	1	0.1%
40	Turkey	1	0.1%