Rank	Countries/Territories	Count	Percent
1	United States	328	34.9%
2	China	254	27.1%
3	Germany	95	10.1%
4	Netherlands	54	5.8%
5	Canada	24	2.6%
6	Japan	19	2%
7	Iran, Islamic Republic of	18	1.9%
8	Bulgaria	18	1.9%
9	Turkey	13	1.4%
10	France	12	1.3%
11	United Kingdom	12	1.3%
12	Cyprus	10	1.1%
13	Lithuania	8	0.9%
14	Latvia	6	0.6%
15	Egypt	6	0.6%
16	Philippines	5	0.5%
17	South Africa	5	0.5%
18	Singapore	4	0.4%
19	Ukraine	3	0.3%
20	Nigeria	3	0.3%
21	Morocco	3	0.3%
22	Australia	3	0.3%
23	Bangladesh	3	0.3%
24	Belgium	3	0.3%
25	India	3	0.3%
26	Indonesia	3	0.3%
27	Israel	3	0.3%
28	Korea, Republic of	3	0.3%
29	Argentina	2	0.2%
30	Estonia	2	0.2%
31	Mauritius	2	0.2%
32	Mongolia	2	0.2%
33	Taiwan	2	0.2%
34	Thailand	2	0.2%
35	Romania	2	0.2%
36	Russia	1	0.1%
37	Sweden	1	0.1%
38	Norway	1	0.1%
39	Poland	1	0.1%