Rank	Countries/Territories	Count	Percent
1	China	522	39.2%
2	United States	449	33.7%
3	Germany	140	10.5%
4	Romania	28	2.1%
5	Netherlands	24	1.8%
6	France	22	1.7%
7	Canada	17	1.3%
8	Japan	16	1.2%
9	Cyprus	11	0.8%
10	Spain	9	0.7%
11	Poland	9	0.7%
12	Turkey	9	0.7%
13	Russia	7	0.5%
14	Korea, Republic of	7	0.5%
15	Lithuania	7	0.5%
16	Latvia	5	0.4%
17	Taiwan	5	0.4%
18	United Kingdom	5	0.4%
19	Switzerland	4	0.3%
20	Brazil	4	0.3%
21	Hong Kong	3	0.2%
22	India	3	0.2%
23	Singapore	3	0.2%
24	Morocco	3	0.2%
25	Norway	2	0.2%
26	South Africa	2	0.2%
27	Sweden	2	0.2%
28	Ukraine	2	0.2%
29	Indonesia	2	0.2%
30	Czech Republic	2	0.2%
31	Argentina	1	0.1%
32	Australia	1	0.1%
33	Azerbaijan	1	0.1%
34	Belarus	1	0.1%
35	Iran, Islamic Republic of	1	0.1%
36	Ireland	1	0.1%
37	Mongolia	1	0.1%
38	Serbia	1	0.1%