Rank	Countries/Territories	Count	Percent
1	United States	161	42.1%
2	China	107	28%
3	Germany	41	10.7%
4	Netherlands	9	2.4%
5	Japan	8	2.1%
6	Canada	8	2.1%
7	Hong Kong	7	1.8%
8	Korea, Republic of	5	1.3%
9	Singapore	5	1.3%
10	France	4	1%
11	Ireland	4	1%
12	Russia	4	1%
13	Cyprus	3	0.8%
14	Argentina	2	0.5%
15	India	2	0.5%
16	Portugal	2	0.5%
17	Malaysia	2	0.5%
18	Switzerland	2	0.5%
19	Taiwan	2	0.5%
20	Ukraine	1	0.3%
21	Spain	1	0.3%
22	Norway	1	0.3%
23	Iran, Islamic Republic of	1	0.3%