Rank	Countries/Territories	Count	Percent
1	United States	311	51.2%
2	China	123	20.2%
3	Germany	61	10%
4	France	18	3%
5	Netherlands	15	2.5%
6	Canada	12	2%
7	Switzerland	12	2%
8	India	11	1.8%
9	Korea, Republic of	9	1.5%
10	Singapore	5	0.8%
11	Japan	5	0.8%
12	Turkey	4	0.7%
13	Ireland	3	0.5%
14	Cyprus	3	0.5%
15	Hong Kong	2	0.3%
16	Italy	2	0.3%
17	Poland	2	0.3%
18	Russia	2	0.3%
19	Serbia	2	0.3%
20	South Africa	2	0.3%
21	Malaysia	1	0.2%
22	Georgia	1	0.2%
23	Argentina	1	0.2%
24	Australia	1	0.2%