Rank	Countries/Territories	Count	Percent
1	China	521	46.2%
2	United States	225	19.9%
3	Japan	132	11.7%
4	Singapore	36	3.2%
5	Russia	28	2.5%
6	Germany	20	1.8%
7	Canada	17	1.5%
8	Korea, Republic of	16	1.4%
9	Bulgaria	13	1.2%
10	United Kingdom	13	1.2%
11	Netherlands	12	1.1%
12	Australia	11	1%
13	India	9	0.8%
14	France	6	0.5%
15	Austria	6	0.5%
16	Brazil	5	0.4%
17	Denmark	5	0.4%
18	South Africa	5	0.4%
19	Romania	4	0.4%
20	Hong Kong	4	0.4%
21	Croatia	3	0.3%
22	Ireland	3	0.3%
23	Argentina	3	0.3%
24	Mongolia	3	0.3%
25	Spain	3	0.3%
26	Latvia	2	0.2%
27	Malaysia	2	0.2%
28	Mexico	2	0.2%
29	Belgium	2	0.2%
30	Cote D'ivoire	2	0.2%
31	Iran, Islamic Republic of	2	0.2%
32	Serbia	2	0.2%
33	Taiwan	2	0.2%
34	Thailand	2	0.2%
35	Viet Nam	2	0.2%
36	New Zealand	1	0.1%
37	Pakistan	1	0.1%
38	Poland	1	0.1%
39	Switzerland	1	0.1%
40	Saudi Arabia	1	0.1%