Rank	Countries/Territories	Count	Percent
1	United States	611	41.5%
2	China	412	28%
3	Germany	101	6.9%
4	India	100	6.8%
5	Canada	71	4.8%
6	Japan	27	1.8%
7	Russia	25	1.7%
8	United Kingdom	16	1.1%
9	Netherlands	11	0.7%
10	Singapore	8	0.5%
11	Spain	8	0.5%
12	Ukraine	7	0.5%
13	Cote D'ivoire	7	0.5%
14	Australia	7	0.5%
15	Cyprus	6	0.4%
16	Argentina	6	0.4%
17	France	5	0.3%
18	Indonesia	5	0.3%
19	Ireland	5	0.3%
20	Hong Kong	4	0.3%
21	Brazil	4	0.3%
22	Mexico	4	0.3%
23	Switzerland	4	0.3%
24	Korea, Republic of	3	0.2%
25	Kazakhstan	2	0.1%
26	Taiwan	2	0.1%
27	Bulgaria	2	0.1%
28	Italy	2	0.1%
29	Chile	1	0.1%
30	Cambodia	1	0.1%
31	Turkey	1	0.1%
32	Turkmenistan	1	0.1%
33	Lithuania	1	0.1%
34	Malaysia	1	0.1%
35	Philippines	1	0.1%
36	Romania	1	0.1%