Rank	Countries/Territories	Count	Percent
1	United States	234	43.5%
2	China	152	28.3%
3	Germany	73	13.6%
4	Japan	16	3%
5	Netherlands	10	1.9%
6	Singapore	7	1.3%
7	Taiwan	6	1.1%
8	France	6	1.1%
9	Korea, Republic of	5	0.9%
10	Hong Kong	4	0.7%
11	Cyprus	3	0.6%
12	Malaysia	3	0.6%
13	Ireland	3	0.6%
14	Norway	2	0.4%
15	Mexico	2	0.4%
16	Argentina	2	0.4%
17	Brazil	2	0.4%
18	Canada	2	0.4%
19	Ukraine	2	0.4%
20	United Kingdom	1	0.2%
21	Switzerland	1	0.2%
22	Australia	1	0.2%
23	India	1	0.2%