Rank	Countries/Territories	Count	Percent
1	United States	335	34.9%
2	China	164	17.1%
3	United Kingdom	101	10.5%
4	India	71	7.4%
5	Germany	50	5.2%
6	Canada	34	3.5%
7	Japan	19	2%
8	Korea, Republic of	18	1.9%
9	Brazil	18	1.9%
10	Ireland	14	1.5%
11	Malaysia	13	1.4%
12	Netherlands	12	1.2%
13	Saudi Arabia	12	1.2%
14	Egypt	12	1.2%
15	Turkey	10	1%
16	Australia	8	0.8%
17	Italy	6	0.6%
18	Russia	6	0.6%
19	Iran, Islamic Republic of	5	0.5%
20	South Africa	5	0.5%
21	France	5	0.5%
22	Czech Republic	4	0.4%
23	Mexico	3	0.3%
24	Singapore	3	0.3%
25	Poland	3	0.3%
26	Hong Kong	3	0.3%
27	Indonesia	3	0.3%
28	Costa Rica	2	0.2%
29	Argentina	2	0.2%
30	Armenia	2	0.2%
31	Chile	2	0.2%
32	Oman	2	0.2%
33	Viet Nam	2	0.2%
34	Taiwan	2	0.2%
35	Thailand	1	0.1%
36	Ukraine	1	0.1%
37	Romania	1	0.1%
38	Spain	1	0.1%
39	Switzerland	1	0.1%
40	Lithuania	1	0.1%
41	Algeria	1	0.1%
42	Barbados	1	0.1%
43	Cyprus	1	0.1%