Rank	Countries/Territories	Count	Percent
1	China	509	41.4%
2	United States	367	29.8%
3	Germany	62	5%
4	Iran, Islamic Republic of	52	4.2%
5	Netherlands	32	2.6%
6	Japan	20	1.6%
7	Canada	16	1.3%
8	Bulgaria	13	1.1%
9	Singapore	11	0.9%
10	India	10	0.8%
11	France	9	0.7%
12	Korea, Republic of	9	0.7%
13	United Kingdom	9	0.7%
14	Nigeria	7	0.6%
15	Indonesia	7	0.6%
16	Cyprus	6	0.5%
17	Portugal	6	0.5%
18	Turkey	6	0.5%
19	Thailand	5	0.4%
20	Russia	5	0.4%
21	Brazil	5	0.4%
22	Latvia	4	0.3%
23	Malaysia	4	0.3%
24	Ireland	4	0.3%
25	Mauritius	3	0.2%
26	Mexico	3	0.2%
27	Saudi Arabia	3	0.2%
28	Australia	3	0.2%
29	Bangladesh	3	0.2%
30	Belgium	3	0.2%
31	Ukraine	3	0.2%
32	Poland	3	0.2%
33	Sweden	3	0.2%
34	Slovakia	3	0.2%
35	South Africa	2	0.2%
36	Argentina	2	0.2%
37	Cote D'ivoire	2	0.2%
38	Serbia	2	0.2%
39	Morocco	2	0.2%
40	Philippines	2	0.2%
41	Norway	1	0.1%
42	Romania	1	0.1%
43	Mongolia	1	0.1%
44	Italy	1	0.1%
45	Iraq	1	0.1%
46	Denmark	1	0.1%
47	Hong Kong	1	0.1%
48	Colombia	1	0.1%
49	Spain	1	0.1%
50	Viet Nam	1	0.1%