Rank	Countries/Territories	Count	Percent
1	United States	425	30.1%
2	China	355	25.1%
3	Ireland	259	18.3%
4	Germany	121	8.6%
5	Japan	83	5.9%
6	Netherlands	18	1.3%
7	Singapore	17	1.2%
8	France	17	1.2%
9	Australia	14	1%
10	Korea, Republic of	14	1%
11	Canada	12	0.8%
12	Romania	8	0.6%
13	Brazil	6	0.4%
14	Egypt	6	0.4%
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	0.1%
26	Indonesia	2	0.1%
27	Argentina	2	0.1%
28	Belarus	2	0.1%
29	Russia	2	0.1%
30	Portugal	2	0.1%
31	Serbia	1	0.1%
32	Viet Nam	1	0.1%
33	Bangladesh	1	0.1%
34	Georgia	1	0.1%
35	Greece	1	0.1%
36	Hong Kong	1	0.1%
37	Poland	1	0.1%
38	Israel	1	0.1%
39	Italy	1	0.1%
40	Spain	1	0.1%
41	Sri Lanka	1	0.1%
42	Sweden	1	0.1%