Rank	Countries/Territories	Count	Percent
1	United States	413	34.3%
2	China	389	32.3%
3	Germany	118	9.8%
4	Japan	44	3.7%
5	India	36	3%
6	Spain	25	2.1%
7	Singapore	20	1.7%
8	Korea, Republic of	20	1.7%
9	France	19	1.6%
10	Netherlands	14	1.2%
11	Russia	13	1.1%
12	Ireland	11	0.9%
13	Ukraine	10	0.8%
14	United Kingdom	10	0.8%
15	Turkey	9	0.7%
16	Iraq	6	0.5%
17	Hong Kong	6	0.5%
18	Canada	6	0.5%
19	Brazil	4	0.3%
20	Italy	4	0.3%
21	Iran, Islamic Republic of	3	0.2%
22	Argentina	3	0.2%
23	Cyprus	3	0.2%
24	Czech Republic	3	0.2%
25	Philippines	3	0.2%
26	Poland	2	0.2%
27	Australia	2	0.2%
28	Belgium	2	0.2%
29		2	0.2%
30	Mexico	2	0.2%
31	Peru	1	0.1%
32	Sweden	1	0.1%
33	Switzerland	1	0.1%