Rank	Countries/Territories	Count	Percent
1	United States	451	35.6%
2	China	274	21.6%
3	Japan	97	7.7%
4	Germany	93	7.3%
5	Korea, Republic of	35	2.8%
6	India	31	2.4%
7	Canada	31	2.4%
8	United Kingdom	31	2.4%
9	France	30	2.4%
10	Taiwan	22	1.7%
11	Russia	19	1.5%
12	Iran, Islamic Republic of	15	1.2%
13	Netherlands	14	1.1%
14	Singapore	13	1%
15	Ukraine	11	0.9%
16	Malaysia	11	0.9%
17	Australia	11	0.9%
18	Hong Kong	11	0.9%
19	Ireland	9	0.7%
20	Cyprus	7	0.6%
21	Romania	6	0.5%
22	Italy	4	0.3%
23	Hungary	4	0.3%
24	Indonesia	3	0.2%
25	Belgium	3	0.2%
26	Finland	3	0.2%
27	Israel	3	0.2%
28	Pakistan	3	0.2%
29	Poland	2	0.2%
30	Spain	2	0.2%
31	Thailand	2	0.2%
32	Turkey	2	0.2%
33	Egypt	2	0.2%
34	Lebanon	2	0.2%
35	Lithuania	2	0.2%
36	Venezuela, Bolivarian Republic of	2	0.2%
37	Viet Nam	1	0.1%
38	Luxembourg	1	0.1%
39	Czech Republic	1	0.1%
40	Portugal	1	0.1%
41	Puerto Rico	1	0.1%
42	Mongolia	1	0.1%