Rank	Countries/Territories	Count	Percent
1	United States	827	43.1%
2	China	625	32.6%
3	Germany	127	6.6%
4	India	43	2.2%
5	Russia	35	1.8%
6	Korea, Republic of	23	1.2%
7	Canada	20	1%
8	Japan	19	1%
9	Singapore	19	1%
10	Latvia	15	0.8%
11	Netherlands	13	0.7%
12	France	10	0.5%
13	Hong Kong	10	0.5%
14	Italy	9	0.5%
15	Ukraine	9	0.5%
16	Taiwan	8	0.4%
17	Thailand	8	0.4%
18	Philippines	8	0.4%
19	Iran, Islamic Republic of	8	0.4%
20	Australia	8	0.4%
21	Czech Republic	7	0.4%
22	Ireland	7	0.4%
23	Spain	6	0.3%
24	Norway	6	0.3%
25	Romania	5	0.3%
26	Sweden	4	0.2%
27	Brazil	4	0.2%
28	United Kingdom	4	0.2%
29	Israel	3	0.2%
30	Hungary	3	0.2%
31	Switzerland	3	0.2%
32	Mexico	2	0.1%
33	Poland	2	0.1%
34	Austria	2	0.1%
35	Egypt	2	0.1%
36	Finland	2	0.1%
37	Cyprus	2	0.1%
38	Viet Nam	2	0.1%
39	Serbia	2	0.1%
40	Togo	1	0.1%
41	Belgium	1	0.1%
42	Argentina	1	0.1%
43	Portugal	1	0.1%
44	Peru	1	0.1%
45	Nigeria	1	0.1%
46	Mauritius	1	0.1%