Rank	Countries/Territories	Count	Percent
1	United States	590	38.7%
2	China	308	20.2%
3	Germany	136	8.9%
4	India	85	5.6%
5	Turkey	51	3.3%
6	Canada	35	2.3%
7	Norway	35	2.3%
8	Russia	32	2.1%
9	Korea, Republic of	32	2.1%
10	Netherlands	25	1.6%
11	France	23	1.5%
12	Japan	16	1.1%
13	Latvia	16	1.1%
14	Singapore	12	0.8%
15	Brazil	9	0.6%
16	Hong Kong	9	0.6%
17	Cote D'ivoire	9	0.6%
18	Australia	9	0.6%
19	Cyprus	8	0.5%
20	Ukraine	8	0.5%
21	United Kingdom	7	0.5%
22	Morocco	7	0.5%
23	Serbia	6	0.4%
24	Argentina	6	0.4%
25	Israel	6	0.4%
26	Belgium	5	0.3%
27	Romania	5	0.3%
28	Chile	4	0.3%
29	Ireland	4	0.3%
30	Nigeria	4	0.3%
31	Taiwan	3	0.2%
32	Sweden	3	0.2%
33	Puerto Rico	2	0.1%
34	Lithuania	2	0.1%
35	Malaysia	2	0.1%
36	Iran, Islamic Republic of	2	0.1%
37	Austria	1	0.1%
38	Azerbaijan	1	0.1%
39	New Zealand	1	0.1%
40	Poland	1	0.1%
41	Portugal	1	0.1%
42	South Africa	1	0.1%
43	Switzerland	1	0.1%