Rank	Countries/Territories	Count	Percent
1	United States	502	35.8%
2	China	315	22.5%
3	Germany	89	6.3%
4	India	57	4.1%
5	France	49	3.5%
6	Brazil	49	3.5%
7	Russia	32	2.3%
8	Latvia	27	1.9%
9	Japan	26	1.9%
10	United Kingdom	25	1.8%
11	Korea, Republic of	24	1.7%
12	Canada	22	1.6%
13	Argentina	20	1.4%
14	Romania	17	1.2%
15	Netherlands	15	1.1%
16	Ireland	13	0.9%
17	Hong Kong	12	0.9%
18	Turkey	11	0.8%
19	Egypt	9	0.6%
20	Taiwan	7	0.5%
21	Thailand	7	0.5%
22	Italy	6	0.4%
23	Spain	6	0.4%
24	Australia	6	0.4%
25	Belgium	5	0.4%
26	Singapore	5	0.4%
27	Cote D'ivoire	4	0.3%
28	Cyprus	4	0.3%
29	Norway	4	0.3%
30	Morocco	4	0.3%
31	Israel	3	0.2%
32	Greece	3	0.2%
33	Ukraine	3	0.2%
34	Palestine, State of	3	0.2%
35	Ethiopia	2	0.1%
36	Libya	2	0.1%
37	Nepal	1	0.1%
38	Pakistan	1	0.1%
39	Iran, Islamic Republic of	1	0.1%
40	Kuwait	1	0.1%
41	Lao People's Democratic Republic	1	0.1%
42	Bulgaria	1	0.1%
43	Cambodia	1	0.1%
44	Gabon	1	0.1%
45	Czech Republic	1	0.1%
46	Bosnia and Herzegovina	1	0.1%
47	Poland	1	0.1%
48	Portugal	1	0.1%
49	Sweden	1	0.1%
50	Serbia	1	0.1%
51	Viet Nam	1	0.1%