Rank	Countries/Territories	Count	Percent
1	United States	370	39.7%
2	China	316	33.9%
3	Germany	75	8%
4	Argentina	25	2.7%
5	Australia	17	1.8%
6	France	17	1.8%
7	Thailand	14	1.5%
8	Canada	9	1%
9	Cyprus	9	1%
10	India	9	1%
11	Japan	7	0.8%
12	Netherlands	5	0.5%
13	Hong Kong	5	0.5%
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	South Africa	3	0.3%
20	Norway	3	0.3%
21	Bangladesh	3	0.3%
22	Brazil	2	0.2%
23	Colombia	2	0.2%
24	Philippines	2	0.2%
25	Kazakhstan	2	0.2%
26	Latvia	2	0.2%
27	Sweden	2	0.2%
28	Taiwan	2	0.2%
29	Ukraine	2	0.2%
30	Portugal	2	0.2%
31	Slovenia	1	0.1%
32	United Kingdom	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%