Rank	Countries/Territories	Count	Percent
1	United States	462	41.8%
2	China	207	18.7%
3	Korea, Republic of	118	10.7%
4	India	56	5.1%
5	Germany	51	4.6%
6	Japan	37	3.3%
7	Brazil	25	2.3%
8	Russia	18	1.6%
9	Latvia	14	1.3%
10	Netherlands	12	1.1%
11	Iraq	12	1.1%
12	Ireland	8	0.7%
13	Spain	8	0.7%
14	Taiwan	8	0.7%
15	Turkey	7	0.6%
16	Israel	6	0.5%
17	Canada	6	0.5%
18	Hong Kong	4	0.4%
19	Poland	4	0.4%
20	Romania	4	0.4%
21	United Kingdom	4	0.4%
22	South Africa	3	0.3%
23	Norway	3	0.3%
24	Argentina	3	0.3%
25	Australia	2	0.2%
26	Croatia	2	0.2%
27	Cyprus	2	0.2%
28	Iran, Islamic Republic of	2	0.2%
29	Kenya	2	0.2%
30	Pakistan	2	0.2%
31	Saudi Arabia	2	0.2%
32	France	2	0.2%
33	Switzerland	2	0.2%
34	Ukraine	1	0.1%
35	Serbia	1	0.1%
36	Singapore	1	0.1%
37	Palestine, State of	1	0.1%
38	Denmark	1	0.1%
39	Bahrain	1	0.1%
40	Viet Nam	1	0.1%