Rank	Countries/Territories	Count	Percent
1	United States	642	48.9%
2	China	401	30.5%
3	Germany	112	8.5%
4	Cyprus	22	1.7%
5	Ukraine	17	1.3%
6	Netherlands	13	1%
7	Singapore	13	1%
8	France	12	0.9%
9	Japan	10	0.8%
10	Bulgaria	6	0.5%
11	Sweden	6	0.5%
12	United Kingdom	6	0.5%
13	Taiwan	6	0.5%
14	Turkey	5	0.4%
15	Canada	5	0.4%
16	India	5	0.4%
17	Iran, Islamic Republic of	5	0.4%
18	Mongolia	4	0.3%
19	Russia	3	0.2%
20	Hong Kong	3	0.2%
21	Latvia	2	0.2%
22	Australia	2	0.2%
23	Czech Republic	2	0.2%
24	Estonia	2	0.2%
25	Nigeria	2	0.2%
26	Portugal	2	0.2%
27	South Africa	2	0.2%
28	Switzerland	1	0.1%
29	Thailand	1	0.1%
30	Brazil	1	0.1%
31	Argentina	1	0.1%