Rank	Countries/Territories	Count	Percent
1	United States	552	35.9%
2	China	455	29.6%
3	Germany	149	9.7%
4	India	93	6.1%
5	Japan	78	5.1%
6	Russia	28	1.8%
7	Canada	26	1.7%
8	Korea, Republic of	17	1.1%
9	Netherlands	14	0.9%
10	Australia	14	0.9%
11	United Kingdom	13	0.8%
12	Cote D'ivoire	8	0.5%
13	France	8	0.5%
14	Hong Kong	8	0.5%
15	Egypt	8	0.5%
16	Ukraine	8	0.5%
17	Singapore	7	0.5%
18	Spain	6	0.4%
19	Taiwan	5	0.3%
20	Ireland	5	0.3%
21	Argentina	4	0.3%
22	Sweden	4	0.3%
23	Romania	3	0.2%
24	Viet Nam	3	0.2%
25	Norway	2	0.1%
26	Palestine, State of	2	0.1%
27	Poland	2	0.1%
28	Chile	2	0.1%
29	Cyprus	2	0.1%
30	Italy	2	0.1%
31	Israel	1	0.1%
32	Finland	1	0.1%
33	Denmark	1	0.1%
34	Portugal	1	0.1%
35	Switzerland	1	0.1%
36	Thailand	1	0.1%
37	Turkey	1	0.1%
38	Lithuania	1	0.1%