Rank	Countries/Territories	Count	Percent
1	United States	305	26.8%
2	China	264	23.2%
3	Russia	105	9.2%
4	Germany	79	6.9%
5	Argentina	76	6.7%
6	Netherlands	56	4.9%
7	Korea, Republic of	53	4.7%
8	India	32	2.8%
9	Japan	29	2.5%
10	Israel	16	1.4%
11	United Kingdom	16	1.4%
12	Spain	14	1.2%
13	Australia	12	1.1%
14	Hong Kong	9	0.8%
15	France	7	0.6%
16	Singapore	7	0.6%
17	Turkey	6	0.5%
18	Canada	6	0.5%
19	Italy	5	0.4%
20	Ireland	5	0.4%
21	Senegal	5	0.4%
22	South Africa	4	0.4%
23	Switzerland	4	0.4%
24	Iran, Islamic Republic of	4	0.4%
25	Bangladesh	2	0.2%
26	Belarus	2	0.2%
27	Romania	2	0.2%
28	Sweden	1	0.1%
29	Latvia	1	0.1%
30	Luxembourg	1	0.1%
31	Malaysia	1	0.1%
32	Mongolia	1	0.1%
33	Portugal	1	0.1%
34	Saudi Arabia	1	0.1%
35	Brazil	1	0.1%
36	Bulgaria	1	0.1%
37	Cambodia	1	0.1%
38	Denmark	1	0.1%
39	Ethiopia	1	0.1%
40	Viet Nam	1	0.1%