Rank	Countries/Territories	Count	Percent
1	China	476	39%
2	United States	261	21.4%
3	Germany	71	5.8%
4	Russia	55	4.5%
5	Switzerland	46	3.8%
6	Netherlands	36	2.9%
7	Japan	26	2.1%
8	Bulgaria	22	1.8%
9	France	20	1.6%
10	Singapore	20	1.6%
11	United Kingdom	19	1.6%
12	Canada	19	1.6%
13	Mauritius	13	1.1%
14	Brazil	12	1%
15	Turkey	11	0.9%
16	Bangladesh	9	0.7%
17	Lithuania	9	0.7%
18	Romania	7	0.6%
19	Hong Kong	7	0.6%
20	South Africa	7	0.6%
21	Spain	7	0.6%
22	Viet Nam	7	0.6%
23	Cyprus	5	0.4%
24	Nigeria	5	0.4%
25	Philippines	5	0.4%
26	Latvia	4	0.3%
27	Malaysia	4	0.3%
28	India	4	0.3%
29		4	0.3%
30	Sweden	4	0.3%
31	Korea, Republic of	3	0.2%
32	New Zealand	3	0.2%
33	Portugal	3	0.2%
34	Pakistan	3	0.2%
35	Iran, Islamic Republic of	2	0.2%
36	Ireland	2	0.2%
37	Georgia	1	0.1%
38	Algeria	1	0.1%
39	Australia	1	0.1%
40	Belgium	1	0.1%
41	Cote D'ivoire	1	0.1%
42	Saudi Arabia	1	0.1%
43	Mexico	1	0.1%
44	Mongolia	1	0.1%
45	Ukraine	1	0.1%
46	Taiwan	1	0.1%