Rank	Countries/Territories	Count	Percent
1	United States	568	46.2%
2	China	305	24.8%
3	Germany	101	8.2%
4	India	43	3.5%
5	Japan	34	2.8%
6	Russia	21	1.7%
7	Korea, Republic of	19	1.5%
8	Canada	19	1.5%
9	Brazil	17	1.4%
10	Latvia	14	1.1%
11	Netherlands	11	0.9%
12	Taiwan	6	0.5%
13	Turkey	6	0.5%
14	Viet Nam	5	0.4%
15	Hong Kong	4	0.3%
16	Ukraine	4	0.3%
17	Mexico	4	0.3%
18	Ireland	4	0.3%
19	Australia	4	0.3%
20	Egypt	3	0.2%
21	Colombia	3	0.2%
22	Singapore	3	0.2%
23	South Africa	3	0.2%
24	Spain	3	0.2%
25	United Kingdom	2	0.2%
26	Croatia	2	0.2%
27	Cyprus	2	0.2%
28	Argentina	2	0.2%
29	Belgium	2	0.2%
30	Nigeria	2	0.2%
31	Yemen	2	0.2%
32	Zambia	1	0.1%
33	Norway	1	0.1%
34	Bosnia and Herzegovina	1	0.1%
35	Algeria	1	0.1%
36	Bangladesh	1	0.1%
37	France	1	0.1%
38	Greece	1	0.1%
39	Sweden	1	0.1%
40	Switzerland	1	0.1%
41	Israel	1	0.1%
42	Iran, Islamic Republic of	1	0.1%