Rank	Countries/Territories	Count	Percent
1	United States	323	35.6%
2	China	320	35.2%
3	Germany	45	5%
4	Netherlands	27	3%
5	Russia	21	2.3%
6		19	2.1%
7	Canada	17	1.9%
8	Singapore	17	1.9%
9	Iran, Islamic Republic of	12	1.3%
10	France	12	1.3%
11	Hong Kong	11	1.2%
12	Japan	10	1.1%
13	Australia	10	1.1%
14	Cyprus	9	1%
15	United Kingdom	9	1%
16	Philippines	4	0.4%
17	Ireland	4	0.4%
18	Argentina	4	0.4%
19	India	4	0.4%
20	Lithuania	3	0.3%
21	Pakistan	3	0.3%
22	Norway	2	0.2%
23	Thailand	2	0.2%
24	Switzerland	2	0.2%
25	Korea, Republic of	2	0.2%
26	Latvia	2	0.2%
27	Denmark	2	0.2%
28	Belgium	2	0.2%
29	Brazil	2	0.2%
30	Bulgaria	1	0.1%
31	Lebanon	1	0.1%
32	Taiwan	1	0.1%
33	Romania	1	0.1%
34	Spain	1	0.1%
35	Nigeria	1	0.1%
36	Mexico	1	0.1%
37	Mongolia	1	0.1%