Rank	Countries/Territories	Count	Percent
1	United States	916	41.7%
2	China	768	35%
3	Germany	141	6.4%
4	India	48	2.2%
5	Russia	36	1.6%
6	Japan	31	1.4%
7	Korea, Republic of	23	1%
8	Canada	20	0.9%
9	Singapore	19	0.9%
10	Latvia	15	0.7%
11	Netherlands	14	0.6%
12	Hong Kong	12	0.5%
13	Australia	10	0.5%
14	France	10	0.5%
15	Italy	9	0.4%
16	Iran, Islamic Republic of	9	0.4%
17	Taiwan	9	0.4%
18	Ukraine	9	0.4%
19	Thailand	8	0.4%
20	Philippines	8	0.4%
21	Ireland	7	0.3%
22	Czech Republic	7	0.3%
23	Norway	6	0.3%
24	Spain	6	0.3%
25	Romania	5	0.2%
26	Brazil	4	0.2%
27	Sweden	4	0.2%
28	United Kingdom	4	0.2%
29	Switzerland	3	0.1%
30	South Africa	3	0.1%
31	Hungary	3	0.1%
32	Israel	3	0.1%
33	Egypt	2	0.1%
34	Finland	2	0.1%
35	Austria	2	0.1%
36	Cyprus	2	0.1%
37	Mexico	2	0.1%
38	Serbia	2	0.1%
39	Poland	2	0.1%
40	Lebanon	2	0.1%
41	Viet Nam	2	0.1%
42	Togo	1	0%
43	United Arab Emirates	1	0%
44	Mauritius	1	0%
45	Nigeria	1	0%
46	Portugal	1	0%
47	Peru	1	0%
48	Argentina	1	0%
49	Belgium	1	0%
50	Bulgaria	1	0%