Rank	Countries/Territories	Count	Percent
1	United States	197	35.2%
2	China	190	33.9%
3	Germany	59	10.5%
4	Canada	19	3.4%
5	France	17	3%
6	Taiwan	14	2.5%
7	Singapore	9	1.6%
8	Korea, Republic of	7	1.2%
9	India	6	1.1%
10	Netherlands	6	1.1%
11	Japan	5	0.9%
12	Turkey	5	0.9%
13	United Kingdom	3	0.5%
14	Lithuania	3	0.5%
15	Hungary	3	0.5%
16	Cyprus	3	0.5%
17	Belgium	3	0.5%
18	Switzerland	2	0.4%
19	Thailand	2	0.4%
20	Viet Nam	2	0.4%
21	Palestine, State of	2	0.4%
22	Pakistan	1	0.2%
23	Malaysia	1	0.2%
24	Australia	1	0.2%