Rank	Countries/Territories	Count	Percent
1	United States	445	40.9%
2	China	328	30.1%
3	Germany	85	7.8%
4	India	35	3.2%
5	Taiwan	28	2.6%
6	Russia	24	2.2%
7	Japan	21	1.9%
8	Canada	20	1.8%
9	Korea, Republic of	16	1.5%
10	Latvia	13	1.2%
11	Australia	9	0.8%
12	France	6	0.6%
13	Hong Kong	5	0.5%
14	Brazil	5	0.5%
15	Netherlands	5	0.5%
16	Romania	5	0.5%
17	Ireland	4	0.4%
18	Thailand	4	0.4%
19	Ukraine	2	0.2%
20	Algeria	2	0.2%
21	Argentina	2	0.2%
22	Iran, Islamic Republic of	2	0.2%
23	South Africa	2	0.2%
24	Saudi Arabia	2	0.2%
25	Pakistan	2	0.2%
26	Philippines	1	0.1%
27	Poland	1	0.1%
28	Norway	1	0.1%
29	Lithuania	1	0.1%
30	Malaysia	1	0.1%
31	Serbia	1	0.1%
32	Singapore	1	0.1%
33	Spain	1	0.1%
34	Bangladesh	1	0.1%
35	Denmark	1	0.1%
36	Finland	1	0.1%
37	Israel	1	0.1%
38	Indonesia	1	0.1%
39	Ghana	1	0.1%
40	Viet Nam	1	0.1%
41	Tunisia	1	0.1%
42	Turkey	1	0.1%