Rank	Countries/Territories	Count	Percent
1	United States	411	42.1%
2	China	243	24.9%
3	Germany	66	6.8%
4	India	55	5.6%
5	Ireland	17	1.7%
6	Japan	16	1.6%
7	Colombia	16	1.6%
8	Australia	16	1.6%
9	Canada	15	1.5%
10	Netherlands	13	1.3%
11	France	13	1.3%
12	Switzerland	9	0.9%
13	Ukraine	8	0.8%
14	Brazil	7	0.7%
15	Argentina	7	0.7%
16	Hong Kong	6	0.6%
17	Korea, Republic of	6	0.6%
18	Saudi Arabia	5	0.5%
19	Singapore	5	0.5%
20	Belgium	5	0.5%
21	Cyprus	4	0.4%
22	Mongolia	4	0.4%
23	Morocco	3	0.3%
24	Taiwan	3	0.3%
25	Bulgaria	3	0.3%
26	Chile	2	0.2%
27	Turkey	2	0.2%
28	Russia	2	0.2%
29	Iran, Islamic Republic of	2	0.2%
30	Spain	2	0.2%
31	Viet Nam	2	0.2%
32	Uruguay	1	0.1%
33	Latvia	1	0.1%
34	Lithuania	1	0.1%
35	Philippines	1	0.1%
36	South Africa	1	0.1%
37	United Kingdom	1	0.1%
38	Aruba	1	0.1%
39	Jordan	1	0.1%
40	Kenya	1	0.1%