Rank	Countries/Territories	Count	Percent
1	United States	216	39.5%
2	China	125	22.9%
3	Germany	34	6.2%
4	Netherlands	23	4.2%
5	Bulgaria	20	3.7%
6	France	17	3.1%
7	Japan	13	2.4%
8	United Kingdom	13	2.4%
9	India	12	2.2%
10	Singapore	9	1.6%
11	Canada	8	1.5%
12	South Africa	5	0.9%
13	Latvia	4	0.7%
14	Mauritius	4	0.7%
15	Thailand	4	0.7%
16	Turkey	4	0.7%
17	Cyprus	4	0.7%
18	Iran, Islamic Republic of	4	0.7%
19	Ireland	3	0.5%
20	Australia	3	0.5%
21	Spain	3	0.5%
22	Sweden	2	0.4%
23	Ukraine	2	0.4%
24	Romania	2	0.4%
25	Finland	2	0.4%
26	Ghana	2	0.4%
27	Greece	1	0.2%
28	Guatemala	1	0.2%
29	Kenya	1	0.2%
30	Korea, Republic of	1	0.2%
31	Israel	1	0.2%
32	Saudi Arabia	1	0.2%
33	Morocco	1	0.2%
34	Nigeria	1	0.2%
35	Philippines	1	0.2%