Rank	Countries/Territories	Count	Percent
1	United States	463	37.6%
2	China	359	29.1%
3	India	94	7.6%
4	Germany	69	5.6%
5	Canada	33	2.7%
6	Russia	22	1.8%
7	Korea, Republic of	20	1.6%
8	Ireland	20	1.6%
9	Japan	16	1.3%
10	Pakistan	15	1.2%
11	Netherlands	11	0.9%
12	Latvia	11	0.9%
13	Egypt	9	0.7%
14	France	8	0.6%
15	Israel	8	0.6%
16	Italy	7	0.6%
17	Viet Nam	7	0.6%
18	Ukraine	6	0.5%
19	Australia	6	0.5%
20	United Kingdom	5	0.4%
21	Romania	5	0.4%
22	Iran, Islamic Republic of	4	0.3%
23	Cyprus	3	0.2%
24	Norway	3	0.2%
25	Thailand	3	0.2%
26	Turkey	2	0.2%
27	South Africa	2	0.2%
28	Poland	2	0.2%
29	Qatar	2	0.2%
30	Denmark	2	0.2%
31	Argentina	2	0.2%
32	Brunei Darussalam	2	0.2%
33	Bulgaria	2	0.2%
34	Austria	1	0.1%
35	Hong Kong	1	0.1%
36	Malaysia	1	0.1%
37	Jordan	1	0.1%
38	Spain	1	0.1%
39	Switzerland	1	0.1%
40	Taiwan	1	0.1%
41	Singapore	1	0.1%
42	Slovakia	1	0.1%