Rank	Countries/Territories	Count	Percent
1	United States	609	39.8%
2	China	360	23.5%
3	Germany	101	6.6%
4	Japan	71	4.6%
5	India	68	4.4%
6	Brazil	50	3.3%
7		36	2.4%
8	Russia	22	1.4%
9	Korea, Republic of	17	1.1%
10	Singapore	17	1.1%
11	Latvia	15	1%
12	Canada	15	1%
13	France	14	0.9%
14	Iran, Islamic Republic of	14	0.9%
15	Netherlands	10	0.7%
16	Switzerland	9	0.6%
17	Turkey	7	0.5%
18	Hong Kong	7	0.5%
19	Senegal	7	0.5%
20	Poland	7	0.5%
21	Australia	7	0.5%
22	Cyprus	6	0.4%
23	Indonesia	6	0.4%
24	Cote D'ivoire	5	0.3%
25	South Africa	5	0.3%
26	United Kingdom	5	0.3%
27	Ukraine	4	0.3%
28	Finland	4	0.3%
29	Qatar	4	0.3%
30	Ireland	4	0.3%
31	Denmark	3	0.2%
32	Czech Republic	2	0.1%
33	Lithuania	2	0.1%
34	Moldova, Republic of	2	0.1%
35	Nepal	2	0.1%
36	Thailand	2	0.1%
37	Sweden	2	0.1%
38	Norway	1	0.1%
39	Philippines	1	0.1%
40	Saudi Arabia	1	0.1%
41	Mexico	1	0.1%
42	Israel	1	0.1%
43	Italy	1	0.1%
44	Azerbaijan	1	0.1%
45	Bulgaria	1	0.1%
46	Greece	1	0.1%