Rank	Countries/Territories	Count	Percent
1	United States	384	37.1%
2	China	181	17.5%
3	Germany	119	11.5%
4	Canada	72	6.9%
5	Netherlands	55	5.3%
6	Ireland	54	5.2%
7	United Kingdom	29	2.8%
8	Australia	20	1.9%
9	France	16	1.5%
10	India	15	1.4%
11	Cyprus	8	0.8%
12	Japan	8	0.8%
13	Spain	6	0.6%
14	Switzerland	6	0.6%
15	Greece	6	0.6%
16	Poland	5	0.5%
17	Korea, Republic of	5	0.5%
18	Romania	4	0.4%
19	Russia	4	0.4%
20	Italy	4	0.4%
21	Saudi Arabia	3	0.3%
22	Egypt	3	0.3%
23	Chile	3	0.3%
24	Czech Republic	2	0.2%
25	Austria	2	0.2%
26	Argentina	2	0.2%
27	Bulgaria	2	0.2%
28	Iran, Islamic Republic of	2	0.2%
29	Israel	2	0.2%
30	Singapore	2	0.2%
31	Trinidad and Tobago	1	0.1%
32	Ukraine	1	0.1%
33	United Arab Emirates	1	0.1%
34	Latvia	1	0.1%
35	Malta	1	0.1%
36	Mexico	1	0.1%
37	Jordan	1	0.1%
38	Kazakhstan	1	0.1%
39	New Zealand	1	0.1%
40	Nigeria	1	0.1%
41	Brazil	1	0.1%
42	Viet Nam	1	0.1%