Rank	Countries/Territories	Count	Percent
1	United States	384	43.1%
2	China	256	28.7%
3	Germany	76	8.5%
4	Japan	45	5.1%
5	Ireland	26	2.9%
6	India	19	2.1%
7	Korea, Republic of	10	1.1%
8	France	8	0.9%
9	Taiwan	8	0.9%
10	Senegal	7	0.8%
11	Iran, Islamic Republic of	7	0.8%
12	Netherlands	6	0.7%
13	Singapore	6	0.7%
14	Spain	4	0.4%
15	Thailand	4	0.4%
16	Hong Kong	4	0.4%
17	Australia	4	0.4%
18	Canada	4	0.4%
19	Russia	3	0.3%
20	Philippines	2	0.2%
21	Cyprus	2	0.2%
22	Ukraine	2	0.2%
23	Switzerland	2	0.2%
24	Argentina	1	0.1%
25	Romania	1	0.1%