Rank	Countries/Territories	Count	Percent
1	United States	536	37.6%
2	China	363	25.5%
3	Germany	100	7%
4	Netherlands	80	5.6%
5	Canada	41	2.9%
6	Russia	40	2.8%
7	South Africa	37	2.6%
8	France	29	2%
9	Japan	26	1.8%
10	United Kingdom	24	1.7%
11	Australia	20	1.4%
12	Pakistan	13	0.9%
13	Bulgaria	10	0.7%
14	Colombia	6	0.4%
15	Nigeria	6	0.4%
16	Thailand	6	0.4%
17	Taiwan	5	0.4%
18	Moldova, Republic of	5	0.4%
19	Cyprus	5	0.4%
20	Iran, Islamic Republic of	5	0.4%
21	India	4	0.3%
22	Poland	4	0.3%
23	Myanmar	4	0.3%
24	Viet Nam	4	0.3%
25	Turkey	3	0.2%
26	Singapore	3	0.2%
27	Sweden	3	0.2%
28	Latvia	3	0.2%
29	Ireland	3	0.2%
30	Czech Republic	3	0.2%
31	Argentina	3	0.2%
32	Bangladesh	2	0.1%
33	Belarus	2	0.1%
34	Hong Kong	2	0.1%
35	Lebanon	2	0.1%
36	Malaysia	2	0.1%
37	Kazakhstan	2	0.1%
38	Korea, Republic of	2	0.1%
39	Norway	2	0.1%
40	Spain	2	0.1%
41	Ukraine	2	0.1%
42	Uzbekistan	2	0.1%
43	Togo	2	0.1%
44	Switzerland	1	0.1%
45	Portugal	1	0.1%
46	Mongolia	1	0.1%
47	Georgia	1	0.1%
48	Israel	1	0.1%
49	Cote D'ivoire	1	0.1%