Rank	Countries/Territories	Count	Percent
1	United States	160	43.1%
2	China	107	28.8%
3	Germany	45	12.1%
4	France	14	3.8%
5	Korea, Republic of	14	3.8%
6	Netherlands	4	1.1%
7	Malaysia	3	0.8%
8	Russia	3	0.8%
9	Singapore	3	0.8%
10	Ireland	3	0.8%
11	Ukraine	2	0.5%
12	United Kingdom	2	0.5%
13	Romania	2	0.5%
14	India	2	0.5%
15	Australia	2	0.5%
16	Canada	1	0.3%
17	Cyprus	1	0.3%
18	Iran, Islamic Republic of	1	0.3%
19	Georgia	1	0.3%
20	Switzerland	1	0.3%