Rank	Countries/Territories	Count	Percent
1	United States	501	43.2%
2	China	235	20.3%
3	Germany	73	6.3%
4	Russia	52	4.5%
5	Spain	40	3.5%
6	India	35	3%
7	Japan	22	1.9%
8	Korea, Republic of	21	1.8%
9	Italy	17	1.5%
10	Netherlands	14	1.2%
11	Canada	14	1.2%
12	Turkey	14	1.2%
13	Ireland	13	1.1%
14	Latvia	13	1.1%
15	France	12	1%
16	Taiwan	9	0.8%
17	Cote D'ivoire	8	0.7%
18	Romania	5	0.4%
19	Cyprus	4	0.3%
20	Brazil	4	0.3%
21	Hong Kong	4	0.3%
22	Argentina	3	0.3%
23	Greece	3	0.3%
24	United Kingdom	3	0.3%
25	Viet Nam	2	0.2%
26	Thailand	2	0.2%
27	Ukraine	2	0.2%
28	Australia	2	0.2%
29	Belgium	2	0.2%
30	Czech Republic	2	0.2%
31	Denmark	2	0.2%
32	Mongolia	2	0.2%
33	Macao	2	0.2%
34	Malaysia	2	0.2%
35	Mexico	2	0.2%
36	Peru	2	0.2%
37	Portugal	2	0.2%
38	Sweden	2	0.2%
39	Singapore	2	0.2%
40	South Africa	2	0.2%
41	Switzerland	1	0.1%
42	Norway	1	0.1%
43	Pakistan	1	0.1%
44	Moldova, Republic of	1	0.1%
45	Morocco	1	0.1%
46	Austria	1	0.1%
47	Israel	1	0.1%
48	Colombia	1	0.1%