Rank	Countries/Territories	Count	Percent
1	United States	217	35.3%
2	China	124	20.2%
3	Germany	50	8.1%
4	India	46	7.5%
5	Korea, Republic of	19	3.1%
6	Netherlands	16	2.6%
7	Taiwan	16	2.6%
8	Ireland	16	2.6%
9	Australia	15	2.4%
10	Japan	14	2.3%
11	Mexico	9	1.5%
12	Canada	9	1.5%
13	France	9	1.5%
14	Hong Kong	5	0.8%
15	Singapore	5	0.8%
16	Russia	4	0.7%
17	Turkey	4	0.7%
18	Iran, Islamic Republic of	4	0.7%
19	United Kingdom	3	0.5%
20	Romania	3	0.5%
21	Colombia	3	0.5%
22	Cyprus	3	0.5%
23	Sweden	3	0.5%
24	Brazil	2	0.3%
25	Greece	2	0.3%
26	Italy	2	0.3%
27	Jamaica	2	0.3%
28	Pakistan	2	0.3%
29	Norway	1	0.2%
30	Malaysia	1	0.2%
31	Spain	1	0.2%
32	Thailand	1	0.2%
33	Indonesia	1	0.2%
34	Bangladesh	1	0.2%
35	Belgium	1	0.2%
36	Egypt	1	0.2%