Rank	Countries/Territories	Count	Percent
1	United States	293	35.9%
2	China	123	15.1%
3	Germany	98	12%
4	United Kingdom	64	7.8%
5	Korea, Republic of	42	5.1%
6	Japan	22	2.7%
7	Netherlands	21	2.6%
8	Canada	19	2.3%
9	Russia	15	1.8%
10	France	11	1.3%
11	Poland	9	1.1%
12	Slovenia	9	1.1%
13	Singapore	8	1%
14	Italy	8	1%
15	Denmark	8	1%
16	Hong Kong	7	0.9%
17	India	6	0.7%
18	Belgium	5	0.6%
19	Australia	4	0.5%
20	Ireland	4	0.5%
21	Malaysia	4	0.5%
22	Lithuania	3	0.4%
23	Taiwan	3	0.4%
24	Spain	3	0.4%
25	Austria	3	0.4%
26	Bulgaria	3	0.4%
27	Hungary	3	0.4%
28	Greece	3	0.4%
29	Cyprus	2	0.2%
30	Iran, Islamic Republic of	2	0.2%
31	Brazil	2	0.2%
32	Portugal	2	0.2%
33	Turkey	2	0.2%
34	Viet Nam	1	0.1%
35	Sweden	1	0.1%
36	Switzerland	1	0.1%
37	Thailand	1	0.1%
38	Colombia	1	0.1%