Rank	Countries/Territories	Count	Percent
1	United States	696	52.2%
2	China	174	13%
3	Germany	99	7.4%
4	Japan	58	4.3%
5	Russia	48	3.6%
6	India	44	3.3%
7	United Kingdom	25	1.9%
8	Singapore	20	1.5%
9	Korea, Republic of	19	1.4%
10	Canada	17	1.3%
11	Netherlands	16	1.2%
12	France	15	1.1%
13	Ireland	12	0.9%
14	Spain	11	0.8%
15	Hong Kong	11	0.8%
16	Australia	8	0.6%
17	Pakistan	8	0.6%
18	Italy	7	0.5%
19	Iran, Islamic Republic of	5	0.4%
20	Cyprus	4	0.3%
21	Taiwan	4	0.3%
22	Turkey	4	0.3%
23	Brazil	3	0.2%
24	Malaysia	3	0.2%
25	Mauritius	2	0.1%
26	Bulgaria	2	0.1%
27	Czech Republic	2	0.1%
28	Denmark	2	0.1%
29	Thailand	2	0.1%
30	Switzerland	2	0.1%
31	Peru	2	0.1%
32	Philippines	1	0.1%
33	Portugal	1	0.1%
34	Israel	1	0.1%
35	Nigeria	1	0.1%
36	Sweden	1	0.1%
37	Slovenia	1	0.1%
38	Croatia	1	0.1%
39	Nepal	1	0.1%
40	Uganda	1	0.1%