Rank	Countries/Territories	Count	Percent
1	China	575	44.6%
2	United States	402	31.2%
3	Germany	84	6.5%
4	Iran, Islamic Republic of	23	1.8%
5	Canada	23	1.8%
6	India	21	1.6%
7	Netherlands	16	1.2%
8	Russia	16	1.2%
9	Japan	15	1.2%
10	Singapore	13	1%
11	United Kingdom	10	0.8%
12	France	9	0.7%
13	Australia	6	0.5%
14	Romania	6	0.5%
15	Cyprus	5	0.4%
16	Greece	5	0.4%
17	Korea, Republic of	5	0.4%
18	Indonesia	5	0.4%
19	Norway	4	0.3%
20	Ukraine	4	0.3%
21	Pakistan	3	0.2%
22	Argentina	3	0.2%
23	Nigeria	3	0.2%
24	Czech Republic	3	0.2%
25	Chile	2	0.2%
26	Austria	2	0.2%
27	Bangladesh	2	0.2%
28	Brazil	2	0.2%
29	Latvia	2	0.2%
30	Malaysia	2	0.2%
31	Mongolia	2	0.2%
32	Georgia	2	0.2%
33	Portugal	2	0.2%
34	Switzerland	2	0.2%
35	Taiwan	2	0.2%
36	Viet Nam	2	0.2%
37	Thailand	1	0.1%
38	United Arab Emirates	1	0.1%
39	Spain	1	0.1%
40	Saudi Arabia	1	0.1%
41	Poland	1	0.1%