Rank	Countries/Territories	Count	Percent
1	United States	481	31.3%
2	China	388	25.3%
3	Ireland	132	8.6%
4	Germany	85	5.5%
5	India	66	4.3%
6	Singapore	58	3.8%
7	Brazil	43	2.8%
8	Japan	42	2.7%
9	Canada	25	1.6%
10	Korea, Republic of	21	1.4%
11	Mexico	19	1.2%
12	Russia	19	1.2%
13	Australia	19	1.2%
14	Taiwan	16	1%
15	Spain	15	1%
16	United Kingdom	13	0.8%
17	Morocco	11	0.7%
18	France	11	0.7%
19	Italy	8	0.5%
20	Netherlands	7	0.5%
21	Hong Kong	6	0.4%
22	Pakistan	5	0.3%
23	Chile	4	0.3%
24	Thailand	4	0.3%
25	Turkey	3	0.2%
26	Ukraine	3	0.2%
27	Denmark	3	0.2%
28	Egypt	3	0.2%
29	Norway	3	0.2%
30	Switzerland	3	0.2%
31	Serbia	2	0.1%
32	Qatar	2	0.1%
33	Mongolia	2	0.1%
34	Israel	2	0.1%
35	Viet Nam	2	0.1%
36	Trinidad and Tobago	1	0.1%
37	Iran, Islamic Republic of	1	0.1%
38	Greece	1	0.1%
39	Colombia	1	0.1%
40	Czech Republic	1	0.1%
41	Argentina	1	0.1%
42	Poland	1	0.1%
43	Romania	1	0.1%
44	Sweden	1	0.1%