Rank	Countries/Territories	Count	Percent
1	United States	646	43.3%
2	China	338	22.7%
3	Germany	157	10.5%
4	Brazil	57	3.8%
5	India	45	3%
6	Canada	40	2.7%
7	Japan	27	1.8%
8	Italy	25	1.7%
9	Russia	19	1.3%
10	Netherlands	14	0.9%
11	Latvia	12	0.8%
12	Korea, Republic of	11	0.7%
13	France	8	0.5%
14	Switzerland	8	0.5%
15	United Kingdom	7	0.5%
16	Australia	6	0.4%
17	Cyprus	5	0.3%
18	Iran, Islamic Republic of	5	0.3%
19	Ireland	5	0.3%
20	Hungary	4	0.3%
21	Singapore	4	0.3%
22	Cote D'ivoire	4	0.3%
23	Thailand	4	0.3%
24	Turkey	4	0.3%
25	Ukraine	3	0.2%
26	Greece	3	0.2%
27	Hong Kong	3	0.2%
28	Mexico	3	0.2%
29	Malaysia	2	0.1%
30	South Africa	2	0.1%
31	Serbia	2	0.1%
32	Norway	2	0.1%
33	Poland	2	0.1%
34	Taiwan	2	0.1%
35	Romania	2	0.1%
36	Viet Nam	2	0.1%
37	Portugal	1	0.1%
38	Pakistan	1	0.1%
39	Iraq	1	0.1%
40	Argentina	1	0.1%
41	Czech Republic	1	0.1%
42	Denmark	1	0.1%
43	Egypt	1	0.1%
44	Belgium	1	0.1%