Rank	Countries/Territories	Count	Percent
1	United States	273	38.2%
2	China	141	19.7%
3	Germany	50	7%
4	Ireland	50	7%
5	Netherlands	42	5.9%
6	Canada	28	3.9%
7	France	26	3.6%
8	Australia	14	2%
9	Japan	14	2%
10	United Kingdom	11	1.5%
11	Singapore	9	1.3%
12	India	9	1.3%
13	Iran, Islamic Republic of	6	0.8%
14	Russia	5	0.7%
15	Spain	4	0.6%
16	Indonesia	4	0.6%
17	Colombia	3	0.4%
18	South Africa	3	0.4%
19	Turkey	2	0.3%
20	Belgium	2	0.3%
21	Bulgaria	2	0.3%
22	Israel	2	0.3%
23	Italy	2	0.3%
24	New Zealand	2	0.3%
25	Poland	2	0.3%
26	Puerto Rico	1	0.1%
27	Cyprus	1	0.1%
28	Denmark	1	0.1%
29	Ukraine	1	0.1%
30	Viet Nam	1	0.1%
31	Taiwan	1	0.1%
32	Saudi Arabia	1	0.1%
33	Serbia	1	0.1%
34	Malaysia	1	0.1%