Rank	Countries/Territories	Count	Percent
1	United States	327	40.6%
2	China	186	23.1%
3	Germany	92	11.4%
4	India	50	6.2%
5	Iran, Islamic Republic of	30	3.7%
6	Taiwan	12	1.5%
7	Netherlands	11	1.4%
8	Japan	10	1.2%
9	Saudi Arabia	9	1.1%
10	Colombia	8	1%
11	Belgium	7	0.9%
12	Cyprus	6	0.7%
13	Australia	6	0.7%
14	Ireland	5	0.6%
15	Hong Kong	5	0.6%
16	Hungary	5	0.6%
17	Spain	4	0.5%
18	Turkey	3	0.4%
19	Egypt	3	0.4%
20	Korea, Republic of	3	0.4%
21	Mexico	2	0.2%
22	France	2	0.2%
23	Brazil	2	0.2%
24	United Kingdom	2	0.2%
25	Yemen	2	0.2%
26	Singapore	2	0.2%
27	South Africa	1	0.1%
28	Syrian Arab Republic	1	0.1%
29	Palestine, State of	1	0.1%
30	Philippines	1	0.1%
31	Portugal	1	0.1%
32	Romania	1	0.1%
33	Russia	1	0.1%
34	Viet Nam	1	0.1%
35	Thailand	1	0.1%
36	Luxembourg	1	0.1%
37	Italy	1	0.1%