Rank	Countries/Territories	Count	Percent
1	United States	491	35%
2	China	469	33.5%
3	Germany	91	6.5%
4	Japan	75	5.4%
5	Ukraine	43	3.1%
6	Canada	32	2.3%
7	Singapore	27	1.9%
8	Russia	21	1.5%
9	France	21	1.5%
10	Iran, Islamic Republic of	16	1.1%
11	Netherlands	12	0.9%
12	Korea, Republic of	11	0.8%
13	Cyprus	10	0.7%
14	India	9	0.6%
15	Spain	8	0.6%
16	United Kingdom	8	0.6%
17	Ireland	6	0.4%
18	Hong Kong	6	0.4%
19	Sweden	5	0.4%
20	Egypt	4	0.3%
21	Ethiopia	4	0.3%
22	Australia	4	0.3%
23	Brazil	3	0.2%
24	Italy	3	0.2%
25	Iraq	2	0.1%
26	Latvia	2	0.1%
27	Malaysia	2	0.1%
28	Taiwan	2	0.1%
29	Romania	2	0.1%
30	Colombia	2	0.1%
31	Austria	2	0.1%
32	Czech Republic	2	0.1%
33	Denmark	1	0.1%
34	Andorra	1	0.1%
35	Argentina	1	0.1%
36	Pakistan	1	0.1%
37	South Africa	1	0.1%
38	Mexico	1	0.1%