Rank	Countries/Territories	Count	Percent
1	United States	709	47.7%
2	China	278	18.7%
3	Germany	142	9.6%
4	Russia	58	3.9%
5	India	49	3.3%
6	Japan	44	3%
7	Ireland	23	1.5%
8	Korea, Republic of	19	1.3%
9	Netherlands	16	1.1%
10	United Kingdom	16	1.1%
11	Ukraine	13	0.9%
12	Indonesia	13	0.9%
13	Cyprus	13	0.9%
14	Canada	13	0.9%
15	France	11	0.7%
16	Hong Kong	9	0.6%
17	Switzerland	8	0.5%
18	Taiwan	6	0.4%
19	Singapore	6	0.4%
20	Iran, Islamic Republic of	6	0.4%
21	Australia	5	0.3%
22	Denmark	3	0.2%
23	Sweden	3	0.2%
24	Nigeria	3	0.2%
25	Pakistan	2	0.1%
26	Philippines	2	0.1%
27	Italy	2	0.1%
28	Serbia	2	0.1%
29	Egypt	2	0.1%
30	Bosnia and Herzegovina	2	0.1%
31	Finland	1	0.1%
32	Greece	1	0.1%
33	Malaysia	1	0.1%
34	Morocco	1	0.1%
35	Tanzania, United Republic of	1	0.1%
36	Thailand	1	0.1%
37	Uganda	1	0.1%
38	Viet Nam	1	0.1%