Rank	Countries/Territories	Count	Percent
1	United States	480	45%
2	China	297	27.8%
3	Germany	82	7.7%
4	India	46	4.3%
5	Russia	26	2.4%
6	Canada	22	2.1%
7	Korea, Republic of	19	1.8%
8	Taiwan	15	1.4%
9	Japan	11	1%
10	Ireland	9	0.8%
11	Hong Kong	6	0.6%
12	Australia	5	0.5%
13	Pakistan	5	0.5%
14	United Kingdom	5	0.5%
15	Cyprus	3	0.3%
16	Brazil	3	0.3%
17	France	2	0.2%
18	Belgium	2	0.2%
19	Iran, Islamic Republic of	2	0.2%
20	Italy	2	0.2%
21	Switzerland	2	0.2%
22	Ukraine	2	0.2%
23	Netherlands	2	0.2%
24	Norway	2	0.2%
25	Singapore	2	0.2%
26	South Africa	2	0.2%
27	Yemen	2	0.2%
28	Spain	1	0.1%
29	Sweden	1	0.1%
30	Mexico	1	0.1%
31	Venezuela, Bolivarian Republic of	1	0.1%
32	Philippines	1	0.1%
33	Portugal	1	0.1%
34	Thailand	1	0.1%
35	Turkey	1	0.1%
36	Israel	1	0.1%
37	Chile	1	0.1%
38	Denmark	1	0.1%