Rank	Countries/Territories	Count	Percent
1	United States	304	39.9%
2	China	243	31.9%
3	Germany	40	5.3%
4	France	30	3.9%
5	Japan	22	2.9%
6	Netherlands	16	2.1%
7	Russia	16	2.1%
8	Ireland	8	1.1%
9	India	7	0.9%
10	Iran, Islamic Republic of	7	0.9%
11	Canada	7	0.9%
12	Cyprus	5	0.7%
13	Singapore	5	0.7%
14	Sweden	4	0.5%
15	Iraq	4	0.5%
16	Turkey	4	0.5%
17	United Kingdom	4	0.5%
18	Korea, Republic of	4	0.5%
19	Malaysia	3	0.4%
20	Mexico	3	0.4%
21	Finland	3	0.4%
22	Switzerland	3	0.4%
23	Poland	2	0.3%
24	Romania	2	0.3%
25	Denmark	2	0.3%
26	Argentina	2	0.3%
27	Australia	2	0.3%
28	Hong Kong	2	0.3%
29	Georgia	1	0.1%
30	Azerbaijan	1	0.1%
31	Belgium	1	0.1%
32	Brazil	1	0.1%
33	Ukraine	1	0.1%
34	Portugal	1	0.1%
35	Taiwan	1	0.1%