Rank	Countries/Territories	Count	Percent
1	United States	597	38.6%
2	China	403	26.1%
3	India	166	10.7%
4	Germany	53	3.4%
5	Japan	52	3.4%
6	Korea, Republic of	48	3.1%
7	Russia	33	2.1%
8	France	25	1.6%
9	Israel	16	1%
10	Canada	14	0.9%
11	Australia	14	0.9%
12	United Kingdom	14	0.9%
13	Iran, Islamic Republic of	13	0.8%
14	Netherlands	13	0.8%
15	Italy	10	0.6%
16	Brazil	10	0.6%
17	Ireland	9	0.6%
18	Argentina	6	0.4%
19	Singapore	6	0.4%
20	Taiwan	6	0.4%
21	Pakistan	4	0.3%
22	Norway	3	0.2%
23	Thailand	3	0.2%
24	Turkey	3	0.2%
25	Spain	3	0.2%
26	Switzerland	3	0.2%
27	Ukraine	2	0.1%
28	Czech Republic	2	0.1%
29	Egypt	2	0.1%
30	Hong Kong	1	0.1%
31	Denmark	1	0.1%
32	Cyprus	1	0.1%
33	Belarus	1	0.1%
34	United Arab Emirates	1	0.1%
35	South Africa	1	0.1%
36	Saudi Arabia	1	0.1%
37	Poland	1	0.1%
38	Romania	1	0.1%
39	New Zealand	1	0.1%
40	Mexico	1	0.1%
41	Viet Nam	1	0.1%