Rank	Countries/Territories	Count	Percent
1	United States	378	28.6%
2	China	328	24.8%
3	Ireland	255	19.3%
4	Germany	113	8.5%
5	Japan	82	6.2%
6	Singapore	17	1.3%
7	France	17	1.3%
8	Netherlands	16	1.2%
9	Korea, Republic of	14	1.1%
10	Australia	14	1.1%
11	Canada	12	0.9%
12	Romania	8	0.6%
13	Brazil	6	0.5%
14	Egypt	6	0.5%
15	India	5	0.4%
16	Cyprus	5	0.4%
17	Iran, Islamic Republic of	4	0.3%
18	Malaysia	3	0.2%
19	Mexico	3	0.2%
20	Mongolia	3	0.2%
21	Syrian Arab Republic	3	0.2%
22	Turkey	3	0.2%
23	Ukraine	3	0.2%
24	United Kingdom	3	0.2%
25	Pakistan	2	0.2%
26	Indonesia	2	0.2%
27	Belarus	2	0.2%
28	Russia	2	0.2%
29	Portugal	2	0.2%
30	Viet Nam	1	0.1%
31	Argentina	1	0.1%
32	Bangladesh	1	0.1%
33	Georgia	1	0.1%
34	Greece	1	0.1%
35	Hong Kong	1	0.1%
36	Poland	1	0.1%
37	Israel	1	0.1%
38	Italy	1	0.1%
39	Spain	1	0.1%
40	Sri Lanka	1	0.1%
41	Sweden	1	0.1%