Rank	Countries/Territories	Count	Percent
1	United States	565	50.9%
2	China	235	21.2%
3	Germany	120	10.8%
4	Netherlands	22	2%
5	France	21	1.9%
6	Poland	16	1.4%
7	Bulgaria	14	1.3%
8	Australia	13	1.2%
9	Ukraine	11	1%
10	Korea, Republic of	8	0.7%
11	Canada	8	0.7%
12	Egypt	8	0.7%
13	India	8	0.7%
14	Japan	7	0.6%
15	Mauritius	5	0.5%
16	Iran, Islamic Republic of	4	0.4%
17	Cyprus	4	0.4%
18	Chile	4	0.4%
19	Spain	4	0.4%
20	Taiwan	4	0.4%
21	Thailand	4	0.4%
22	Hong Kong	3	0.3%
23	Azerbaijan	2	0.2%
24	Argentina	2	0.2%
25	Togo	2	0.2%
26	United Kingdom	2	0.2%
27	Latvia	2	0.2%
28	New Zealand	2	0.2%
29	Russia	2	0.2%
30	Serbia	2	0.2%
31	Singapore	1	0.1%
32	South Africa	1	0.1%
33	Switzerland	1	0.1%
34	Turkey	1	0.1%
35	Brazil	1	0.1%
36	Ireland	1	0.1%
37	Italy	1	0.1%