Rank	Countries/Territories	Count	Percent
1	United States	347	40.4%
2	China	160	18.6%
3	Korea, Republic of	99	11.5%
4	Russia	67	7.8%
5	Germany	59	6.9%
6	India	26	3%
7	Australia	12	1.4%
8	Israel	10	1.2%
9	Japan	7	0.8%
10	United Kingdom	7	0.8%
11	Canada	6	0.7%
12	Cote D'ivoire	6	0.7%
13	France	5	0.6%
14	Senegal	5	0.6%
15	Netherlands	5	0.6%
16	Singapore	3	0.3%
17	South Africa	3	0.3%
18	Spain	3	0.3%
19	Argentina	3	0.3%
20	Mongolia	2	0.2%
21	Italy	2	0.2%
22	Ireland	2	0.2%
23	Ukraine	2	0.2%
24	Saudi Arabia	2	0.2%
25	Pakistan	2	0.2%
26	Poland	2	0.2%
27	Portugal	2	0.2%
28	Romania	2	0.2%
29	Norway	1	0.1%
30	Viet Nam	1	0.1%
31	Switzerland	1	0.1%
32	Taiwan	1	0.1%
33	Bulgaria	1	0.1%
34	Cambodia	1	0.1%
35	Cyprus	1	0.1%
36	Hong Kong	1	0.1%