Rank	Countries/Territories	Count	Percent
1	United States	375	40.2%
2	China	290	31.1%
3	Germany	106	11.4%
4	United Kingdom	38	4.1%
5		27	2.9%
6	Japan	25	2.7%
7	France	15	1.6%
8	Switzerland	10	1.1%
9	Singapore	6	0.6%
10	Cyprus	5	0.5%
11	Netherlands	5	0.5%
12	India	4	0.4%
13	Canada	4	0.4%
14	Australia	3	0.3%
15	Korea, Republic of	3	0.3%
16	Ireland	3	0.3%
17	Turkey	2	0.2%
18	Malaysia	2	0.2%
19	Russia	2	0.2%
20	Iran, Islamic Republic of	2	0.2%
21	Hong Kong	2	0.2%
22	Austria	1	0.1%
23	Bangladesh	1	0.1%
24	Ukraine	1	0.1%
25	Spain	1	0.1%