Rank	Countries/Territories	Count	Percent
1	United States	179	31.9%
2	China	153	27.2%
3	India	44	7.8%
4	Germany	35	6.2%
5	Russia	22	3.9%
6	Japan	14	2.5%
7	France	9	1.6%
8	Taiwan	7	1.2%
9	Hungary	6	1.1%
10	Egypt	6	1.1%
11	Austria	6	1.1%
12	Iran, Islamic Republic of	5	0.9%
13	Ireland	5	0.9%
14	United Kingdom	5	0.9%
15	Turkey	4	0.7%
16	Slovakia	4	0.7%
17	Spain	4	0.7%
18	Netherlands	4	0.7%
19	Puerto Rico	4	0.7%
20	Curacao	4	0.7%
21	Cyprus	4	0.7%
22	Australia	4	0.7%
23	Greece	3	0.5%
24	Bulgaria	3	0.5%
25	Iraq	3	0.5%
26	Korea, Republic of	2	0.4%
27	Switzerland	2	0.4%
28	Singapore	2	0.4%
29	Canada	2	0.4%
30	Georgia	2	0.4%
31	Thailand	2	0.4%
32	Viet Nam	2	0.4%
33	Indonesia	1	0.2%
34	Chile	1	0.2%
35	Bhutan	1	0.2%
36	Ethiopia	1	0.2%
37	Romania	1	0.2%
38	Philippines	1	0.2%
39	Poland	1	0.2%
40	Lao People's Democratic Republic	1	0.2%
41	Malaysia	1	0.2%
42	Montenegro	1	0.2%
43	Israel	1	0.2%