Rank	Countries/Territories	Count	Percent
1	United States	306	31.4%
2	China	283	29.1%
3	Japan	120	12.3%
4	Germany	46	4.7%
5	Russia	33	3.4%
6	Canada	22	2.3%
7	Singapore	17	1.7%
8	Netherlands	14	1.4%
9	France	12	1.2%
10	Iran, Islamic Republic of	11	1.1%
11	United Kingdom	11	1.1%
12	Colombia	10	1%
13	India	9	0.9%
14	Mexico	8	0.8%
15	Korea, Republic of	7	0.7%
16	Belgium	7	0.7%
17	Norway	6	0.6%
18	Malaysia	5	0.5%
19	Indonesia	5	0.5%
20	Ethiopia	5	0.5%
21	Australia	4	0.4%
22	Ireland	4	0.4%
23	Cyprus	3	0.3%
24	Denmark	3	0.3%
25	Hong Kong	3	0.3%
26	Taiwan	3	0.3%
27	Ukraine	3	0.3%
28	Thailand	2	0.2%
29	Poland	2	0.2%
30	Qatar	1	0.1%
31	Panama	1	0.1%
32	Slovenia	1	0.1%
33	Saudi Arabia	1	0.1%
34	Mauritius	1	0.1%
35	Argentina	1	0.1%
36	Czech Republic	1	0.1%
37	Austria	1	0.1%
38	Brazil	1	0.1%
39	United Arab Emirates	1	0.1%