Rank	Countries/Territories	Count	Percent
1	United States	263	36.6%
2	Germany	93	13%
3	China	90	12.5%
4	United Kingdom	58	8.1%
5	Korea, Republic of	39	5.4%
6	Japan	21	2.9%
7	Netherlands	19	2.6%
8	Canada	19	2.6%
9	Russia	15	2.1%
10	France	11	1.5%
11	Poland	9	1.3%
12	Slovenia	9	1.3%
13	Singapore	8	1.1%
14	Italy	8	1.1%
15	Denmark	7	1%
16	Hong Kong	6	0.8%
17	Ireland	4	0.6%
18	Greece	3	0.4%
19	Hungary	3	0.4%
20	India	3	0.4%
21	Australia	3	0.4%
22	Belgium	3	0.4%
23	Spain	3	0.4%
24	Lithuania	3	0.4%
25	Malaysia	2	0.3%
26	Portugal	2	0.3%
27	Turkey	2	0.3%
28	Brazil	2	0.3%
29	Cyprus	2	0.3%
30	Iran, Islamic Republic of	2	0.3%
31	Colombia	1	0.1%
32	Viet Nam	1	0.1%
33	Sweden	1	0.1%
34	Switzerland	1	0.1%
35	Taiwan	1	0.1%
36	Thailand	1	0.1%