Rank	Countries/Territories	Count	Percent
1	United States	394	38.6%
2	China	180	17.6%
3	Korea, Republic of	101	9.9%
4	Germany	80	7.8%
5	Russia	67	6.6%
6		35	3.4%
7	India	33	3.2%
8	Japan	23	2.3%
9	Australia	12	1.2%
10	United Kingdom	11	1.1%
11	Israel	10	1%
12	Canada	7	0.7%
13	Cote D'ivoire	6	0.6%
14	Netherlands	6	0.6%
15	Senegal	5	0.5%
16	Singapore	5	0.5%
17	France	5	0.5%
18	Poland	4	0.4%
19	Norway	3	0.3%
20	Pakistan	3	0.3%
21	South Africa	3	0.3%
22	Spain	3	0.3%
23	Argentina	3	0.3%
24	Hong Kong	3	0.3%
25	Ireland	2	0.2%
26	Italy	2	0.2%
27	Mongolia	2	0.2%
28	Portugal	2	0.2%
29	Romania	2	0.2%
30	Ukraine	2	0.2%
31	Saudi Arabia	2	0.2%
32	Viet Nam	1	0.1%
33	Switzerland	1	0.1%
34	Taiwan	1	0.1%
35	Bulgaria	1	0.1%
36	Cambodia	1	0.1%
37	Cyprus	1	0.1%