Rank	Countries/Territories	Count	Percent
1	China	186	34.9%
2	United States	169	31.7%
3		23	4.3%
4	Japan	14	2.6%
5	Korea, Republic of	12	2.3%
6	Netherlands	12	2.3%
7	Germany	11	2.1%
8	Latvia	10	1.9%
9	Moldova, Republic of	10	1.9%
10	Bulgaria	8	1.5%
11	France	7	1.3%
12	Canada	6	1.1%
13	Argentina	5	0.9%
14	India	5	0.9%
15	Russia	5	0.9%
16	Singapore	4	0.8%
17	South Africa	4	0.8%
18	Turkey	4	0.8%
19	Greece	4	0.8%
20	Czech Republic	3	0.6%
21	Poland	3	0.6%
22	Portugal	3	0.6%
23	Nigeria	2	0.4%
24	Norway	2	0.4%
25	Iran, Islamic Republic of	2	0.4%
26	Mongolia	2	0.4%
27	United Arab Emirates	2	0.4%
28	United Kingdom	2	0.4%
29	Hong Kong	2	0.4%
30	Lithuania	2	0.4%
31	Australia	2	0.4%
32	Benin	2	0.4%
33	Brazil	1	0.2%
34	Colombia	1	0.2%
35	Ukraine	1	0.2%
36	Spain	1	0.2%
37	Taiwan	1	0.2%