Rank	Countries/Territories	Count	Percent
1	United States	306	39.4%
2	China	250	32.2%
3	Germany	97	12.5%
4	France	17	2.2%
5	Netherlands	14	1.8%
6	Romania	12	1.5%
7	Switzerland	12	1.5%
8	Singapore	11	1.4%
9	Canada	11	1.4%
10	Japan	10	1.3%
11	Taiwan	6	0.8%
12	United Kingdom	4	0.5%
13	Hong Kong	4	0.5%
14	India	4	0.5%
15	Cyprus	3	0.4%
16	Ukraine	3	0.4%
17	Belgium	2	0.3%
18	Indonesia	2	0.3%
19	Ireland	2	0.3%
20	Hungary	2	0.3%
21	Mexico	2	0.3%
22	Moldova, Republic of	1	0.1%
23	Korea, Republic of	1	0.1%
24	Spain	1	0.1%