Rank	Countries/Territories	Count	Percent
1	United States	404	37.7%
2	China	359	33.5%
3	Germany	81	7.6%
4	France	61	5.7%
5	Argentina	25	2.3%
6	Australia	18	1.7%
7	Thailand	14	1.3%
8	India	12	1.1%
9	Cyprus	11	1%
10	Canada	10	0.9%
11	Japan	7	0.7%
12	Netherlands	6	0.6%
13	Hong Kong	6	0.6%
14	Iran, Islamic Republic of	4	0.4%
15	Mongolia	4	0.4%
16	Poland	4	0.4%
17	Senegal	4	0.4%
18	Singapore	3	0.3%
19	Ukraine	3	0.3%
20	United Kingdom	3	0.3%
21	South Africa	3	0.3%
22	Norway	3	0.3%
23	Bangladesh	3	0.3%
24	Brazil	2	0.2%
25	Colombia	2	0.2%
26	Philippines	2	0.2%
27	Kazakhstan	2	0.2%
28	Latvia	2	0.2%
29	Sweden	2	0.2%
30	Taiwan	2	0.2%
31	Portugal	2	0.2%
32	Slovenia	1	0.1%
33	Kyrgyzstan	1	0.1%
34	Morocco	1	0.1%
35	Iraq	1	0.1%
36	Ireland	1	0.1%
37	Italy	1	0.1%
38	Indonesia	1	0.1%