Rank	Countries/Territories	Count	Percent
1	United States	396	31.6%
2	China	271	21.6%
3	Ireland	131	10.4%
4	Germany	60	4.8%
5	Singapore	56	4.5%
6	India	54	4.3%
7	Brazil	35	2.8%
8	Japan	32	2.5%
9	Canada	22	1.8%
10	Korea, Republic of	21	1.7%
11	Mexico	19	1.5%
12	Russia	19	1.5%
13	Spain	15	1.2%
14	Australia	15	1.2%
15	Taiwan	14	1.1%
16	Morocco	11	0.9%
17	France	10	0.8%
18	United Kingdom	10	0.8%
19	Italy	8	0.6%
20	Netherlands	6	0.5%
21	Hong Kong	6	0.5%
22	Pakistan	5	0.4%
23	Chile	4	0.3%
24	Denmark	3	0.2%
25	Norway	3	0.2%
26	Thailand	3	0.2%
27	Switzerland	3	0.2%
28	Turkey	3	0.2%
29	Ukraine	3	0.2%
30	Viet Nam	2	0.2%
31	Qatar	2	0.2%
32	Mongolia	2	0.2%
33	Israel	2	0.2%
34	Iran, Islamic Republic of	1	0.1%
35	Greece	1	0.1%
36	Egypt	1	0.1%
37	Czech Republic	1	0.1%
38	Argentina	1	0.1%
39	Poland	1	0.1%
40	Romania	1	0.1%
41	Trinidad and Tobago	1	0.1%
42	Sweden	1	0.1%