Rank	Countries/Territories	Count	Percent
1	United States	532	46.3%
2	China	357	31.1%
3	Germany	84	7.3%
4		53	4.6%
5	Japan	17	1.5%
6	United Kingdom	16	1.4%
7	France	13	1.1%
8	Ireland	12	1%
9	Canada	10	0.9%
10	Netherlands	10	0.9%
11	Cyprus	7	0.6%
12	Singapore	6	0.5%
13	India	5	0.4%
14	Iran, Islamic Republic of	4	0.3%
15	Iceland	2	0.2%
16	Italy	2	0.2%
17	Argentina	2	0.2%
18	Bangladesh	2	0.2%
19	Brazil	2	0.2%
20	Bulgaria	2	0.2%
21	Taiwan	2	0.2%
22	Thailand	2	0.2%
23	Ukraine	2	0.2%
24	Russia	2	0.2%
25	Korea, Republic of	1	0.1%
26	Malaysia	1	0.1%