Rank	Countries/Territories	Count	Percent
1	United States	297	37.5%
2	China	167	21.1%
3	Germany	135	17%
4	France	36	4.5%
5	Russia	36	4.5%
6	Hungary	15	1.9%
7	Japan	13	1.6%
8	Portugal	10	1.3%
9	Netherlands	9	1.1%
10	Singapore	6	0.8%
11	Canada	6	0.8%
12	Czech Republic	5	0.6%
13	India	5	0.6%
14	Slovakia	5	0.6%
15	Turkey	5	0.6%
16	United Kingdom	5	0.6%
17	Thailand	4	0.5%
18	Chile	4	0.5%
19	Argentina	3	0.4%
20	Colombia	3	0.4%
21	Israel	3	0.4%
22	Hong Kong	3	0.4%
23	Taiwan	3	0.4%
24	Trinidad and Tobago	2	0.3%
25	Iran, Islamic Republic of	2	0.3%
26	Ireland	2	0.3%
27	Cyprus	2	0.3%
28	Belgium	2	0.3%
29	Australia	1	0.1%
30	Saudi Arabia	1	0.1%
31	New Zealand	1	0.1%
32	Poland	1	0.1%