Rank	Countries/Territories	Count	Percent
1	United States	413	40.6%
2	China	297	29.2%
3	Germany	116	11.4%
4	Ireland	64	6.3%
5	France	41	4%
6	India	12	1.2%
7	Singapore	10	1%
8	Norway	9	0.9%
9	Taiwan	7	0.7%
10	Japan	6	0.6%
11	Cyprus	6	0.6%
12	Australia	6	0.6%
13	Netherlands	5	0.5%
14	United Kingdom	3	0.3%
15	Israel	3	0.3%
16	Iran, Islamic Republic of	2	0.2%
17	Hong Kong	2	0.2%
18	Bulgaria	2	0.2%
19	Canada	2	0.2%
20	Mongolia	2	0.2%
21	Thailand	2	0.2%
22	Sweden	1	0.1%
23	Switzerland	1	0.1%
24	Argentina	1	0.1%
25	Bangladesh	1	0.1%
26	Czech Republic	1	0.1%
27	Georgia	1	0.1%
28	Malaysia	1	0.1%