Rank	Countries/Territories	Count	Percent
1	United States	555	42.3%
2	China	450	34.3%
3	Germany	111	8.5%
4		53	4%
5	France	19	1.4%
6	United Kingdom	19	1.4%
7	Japan	17	1.3%
8	Ireland	12	0.9%
9	Canada	11	0.8%
10	Netherlands	11	0.8%
11	Cyprus	9	0.7%
12	Singapore	6	0.5%
13	Russia	5	0.4%
14	India	5	0.4%
15	Iran, Islamic Republic of	5	0.4%
16	Taiwan	4	0.3%
17	Thailand	2	0.2%
18	Ukraine	2	0.2%
19	Spain	2	0.2%
20	Iceland	2	0.2%
21	Italy	2	0.2%
22	Argentina	2	0.2%
23	Bangladesh	2	0.2%
24	Brazil	2	0.2%
25	Bulgaria	2	0.2%
26	Korea, Republic of	1	0.1%
27	Malaysia	1	0.1%