Rank	Countries/Territories	Count	Percent
1	United States	291	28%
2	China	204	19.7%
3	Ireland	131	12.6%
4	Singapore	54	5.2%
5	Germany	51	4.9%
6	India	46	4.4%
7	Brazil	35	3.4%
8	Japan	22	2.1%
9	Canada	21	2%
10	Russia	19	1.8%
11	Korea, Republic of	18	1.7%
12	Mexico	16	1.5%
13	Spain	15	1.4%
14	Taiwan	12	1.2%
15	Australia	12	1.2%
16	Morocco	11	1.1%
17	United Kingdom	10	1%
18	France	9	0.9%
19	Italy	8	0.8%
20	Netherlands	6	0.6%
21	Hong Kong	6	0.6%
22	Pakistan	5	0.5%
23	Thailand	3	0.3%
24	Denmark	3	0.3%
25	Switzerland	3	0.3%
26	Turkey	3	0.3%
27	Ukraine	3	0.3%
28	Viet Nam	2	0.2%
29	Chile	2	0.2%
30	Israel	2	0.2%
31	Qatar	2	0.2%
32	Norway	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%