Rank	Countries/Territories	Count	Percent
1	United States	371	47.2%
2	China	116	14.8%
3	Germany	54	6.9%
4	India	35	4.5%
5	France	32	4.1%
6	Canada	19	2.4%
7	Netherlands	17	2.2%
8	Ireland	13	1.7%
9	Japan	10	1.3%
10	Korea, Republic of	10	1.3%
11	South Africa	10	1.3%
12	United Kingdom	10	1.3%
13	Brazil	9	1.1%
14	Cuba	8	1%
15	Singapore	7	0.9%
16	Portugal	5	0.6%
17	Malaysia	5	0.6%
18	Cyprus	5	0.6%
19	Hong Kong	4	0.5%
20	Indonesia	3	0.4%
21	Australia	3	0.4%
22	Italy	3	0.4%
23	Romania	3	0.4%
24	Slovenia	3	0.4%
25	Sweden	3	0.4%
26	Turkey	3	0.4%
27	Ukraine	3	0.4%
28	Viet Nam	2	0.3%
29	Taiwan	2	0.3%
30	Thailand	2	0.3%
31	Peru	2	0.3%
32	Philippines	2	0.3%
33	Kazakhstan	2	0.3%
34	Mexico	1	0.1%
35	Mongolia	1	0.1%
36	Nigeria	1	0.1%
37	Russia	1	0.1%
38	Belgium	1	0.1%
39		1	0.1%
40	Egypt	1	0.1%
41	Iran, Islamic Republic of	1	0.1%
42	Georgia	1	0.1%
43	Ghana	1	0.1%