Rank	Countries/Territories	Count	Percent
1	United States	326	31.3%
2	China	292	28%
3	Ireland	145	13.9%
4	Germany	102	9.8%
5	Canada	33	3.2%
6	Japan	22	2.1%
7	United Kingdom	16	1.5%
8	Hong Kong	14	1.3%
9	India	11	1.1%
10	France	11	1.1%
11	Singapore	10	1%
12	Korea, Republic of	10	1%
13	Morocco	8	0.8%
14	Netherlands	7	0.7%
15	Taiwan	6	0.6%
16	Switzerland	4	0.4%
17	Norway	3	0.3%
18	Iran, Islamic Republic of	3	0.3%
19	Cuba	3	0.3%
20	Cyprus	3	0.3%
21	Australia	2	0.2%
22	Brazil	2	0.2%
23	Malaysia	2	0.2%
24	Russia	2	0.2%
25	Thailand	2	0.2%
26	Turkey	1	0.1%
27	Slovakia	1	0.1%
28	Poland	1	0.1%