Rank	Countries/Territories	Count	Percent
1	United States	416	40.6%
2	China	221	21.6%
3	Germany	132	12.9%
4	Korea, Republic of	35	3.4%
5	France	32	3.1%
6	India	20	2%
7	Canada	17	1.7%
8	United Kingdom	16	1.6%
9	Netherlands	14	1.4%
10	Switzerland	14	1.4%
11	Japan	12	1.2%
12	Taiwan	11	1.1%
13	Indonesia	7	0.7%
14	Iran, Islamic Republic of	7	0.7%
15	Turkey	6	0.6%
16	Ukraine	6	0.6%
17	Norway	5	0.5%
18	Australia	5	0.5%
19	Hong Kong	4	0.4%
20	Portugal	4	0.4%
21	Saudi Arabia	4	0.4%
22	Singapore	3	0.3%
23	Philippines	3	0.3%
24	Malaysia	3	0.3%
25	Italy	3	0.3%
26	Puerto Rico	2	0.2%
27	Russia	2	0.2%
28	Spain	2	0.2%
29	Trinidad and Tobago	2	0.2%
30	Hungary	2	0.2%
31	Cambodia	2	0.2%
32	Finland	2	0.2%
33	Cyprus	1	0.1%
34	Dominican Republic	1	0.1%
35	Belgium	1	0.1%
36	Brazil	1	0.1%
37	Kenya	1	0.1%
38	Israel	1	0.1%
39	Sweden	1	0.1%
40	Mexico	1	0.1%
41	Lebanon	1	0.1%
42	Lithuania	1	0.1%