Rank	Countries/Territories	Count	Percent
1	United States	328	29.2%
2	China	229	20.4%
3	Ireland	131	11.7%
4	Germany	59	5.3%
5	Singapore	54	4.8%
6	India	46	4.1%
7	Brazil	35	3.1%
8	Japan	29	2.6%
9	Canada	22	2%
10	Mexico	19	1.7%
11	Russia	19	1.7%
12	Korea, Republic of	18	1.6%
13	Spain	15	1.3%
14	Taiwan	14	1.2%
15	Australia	12	1.1%
16	Morocco	11	1%
17	United Kingdom	10	0.9%
18	France	9	0.8%
19	Italy	8	0.7%
20	Netherlands	6	0.5%
21	Hong Kong	6	0.5%
22	Pakistan	5	0.4%
23	Norway	3	0.3%
24	Thailand	3	0.3%
25	Denmark	3	0.3%
26	Switzerland	3	0.3%
27	Turkey	3	0.3%
28	Ukraine	3	0.3%
29	Viet Nam	2	0.2%
30	Chile	2	0.2%
31	Israel	2	0.2%
32	Qatar	2	0.2%
33	Mongolia	2	0.2%
34	Poland	1	0.1%
35	Romania	1	0.1%
36	Trinidad and Tobago	1	0.1%
37	Sweden	1	0.1%
38	Iran, Islamic Republic of	1	0.1%
39	Greece	1	0.1%
40	Argentina	1	0.1%
41	Egypt	1	0.1%
42	Czech Republic	1	0.1%