Rank	Countries/Territories	Count	Percent
1	United States	449	33.4%
2	China	448	33.3%
3	Germany	136	10.1%
4	Canada	60	4.5%
5	Japan	35	2.6%
6	India	32	2.4%
7	France	30	2.2%
8	Korea, Republic of	20	1.5%
9	Poland	17	1.3%
10	Iran, Islamic Republic of	13	1%
11	Cyprus	10	0.7%
12	Netherlands	10	0.7%
13	United Kingdom	10	0.7%
14	Hong Kong	9	0.7%
15	Russia	8	0.6%
16	Singapore	6	0.4%
17	Mexico	5	0.4%
18	Belgium	5	0.4%
19	Taiwan	4	0.3%
20	Thailand	3	0.2%
21	Switzerland	3	0.2%
22	Israel	3	0.2%
23	South Africa	3	0.2%
24	Chile	3	0.2%
25	Denmark	3	0.2%
26	Argentina	2	0.1%
27	Malaysia	2	0.1%
28	Spain	2	0.1%
29	Sweden	2	0.1%
30	Ukraine	2	0.1%
31	Virgin Islands, British	2	0.1%
32	Turkey	1	0.1%
33	Portugal	1	0.1%
34	Romania	1	0.1%
35	Nigeria	1	0.1%
36	Pakistan	1	0.1%
37	Iraq	1	0.1%
38	Ireland	1	0.1%
39	Georgia	1	0.1%