Rank	Countries/Territories	Count	Percent
1	United States	603	45.3%
2	China	313	23.5%
3	Germany	145	10.9%
4	France	39	2.9%
5	India	38	2.9%
6	Canada	33	2.5%
7	Russia	21	1.6%
8	Netherlands	15	1.1%
9	United Kingdom	14	1.1%
10	Iran, Islamic Republic of	12	0.9%
11	Brazil	10	0.8%
12	Cyprus	9	0.7%
13	Singapore	7	0.5%
14	Japan	7	0.5%
15	Latvia	7	0.5%
16	Spain	6	0.5%
17	Turkey	5	0.4%
18	Ireland	5	0.4%
19	Viet Nam	5	0.4%
20	Ukraine	4	0.3%
21	Switzerland	4	0.3%
22	Korea, Republic of	4	0.3%
23	Italy	3	0.2%
24	Australia	2	0.2%
25	Hong Kong	2	0.2%
26	Malaysia	2	0.2%
27	South Africa	2	0.2%
28	Philippines	2	0.2%
29	Thailand	2	0.2%
30	Puerto Rico	1	0.1%
31	Taiwan	1	0.1%
32	Mexico	1	0.1%
33	Lithuania	1	0.1%
34	Kenya	1	0.1%
35	Barbados	1	0.1%
36	Belgium	1	0.1%
37	Argentina	1	0.1%
38	Czech Republic	1	0.1%
39	Dominican Republic	1	0.1%
40	Greece	1	0.1%