Rank	Countries/Territories	Count	Percent
1	United States	408	35.5%
2	China	280	24.3%
3	Germany	80	7%
4	Japan	45	3.9%
5	India	39	3.4%
6	Latvia	39	3.4%
7	Netherlands	39	3.4%
8	Argentina	38	3.3%
9	France	28	2.4%
10	Russia	22	1.9%
11	United Kingdom	15	1.3%
12	Singapore	13	1.1%
13	Ukraine	11	1%
14	Hungary	10	0.9%
15	Hong Kong	9	0.8%
16	Canada	7	0.6%
17	Viet Nam	7	0.6%
18	Indonesia	6	0.5%
19	Senegal	6	0.5%
20	Philippines	6	0.5%
21	Ireland	5	0.4%
22	Bulgaria	5	0.4%
23	Australia	4	0.3%
24	Turkey	3	0.3%
25	Spain	3	0.3%
26	Togo	2	0.2%
27	Tunisia	2	0.2%
28	Poland	2	0.2%
29	Pakistan	2	0.2%
30	Lebanon	2	0.2%
31	Mongolia	2	0.2%
32	Cambodia	2	0.2%
33	Cyprus	2	0.2%
34	Zimbabwe	2	0.2%
35	Colombia	1	0.1%
36	Iran, Islamic Republic of	1	0.1%
37	Jordan	1	0.1%
38	Korea, Republic of	1	0.1%