Rank	Countries/Territories	Count	Percent
1	United States	508	40.2%
2	China	289	22.9%
3	India	69	5.5%
4	Germany	63	5%
5	United Kingdom	36	2.9%
6	Nigeria	35	2.8%
7	Canada	32	2.5%
8	Austria	26	2.1%
9	Argentina	19	1.5%
10	Netherlands	16	1.3%
11	Russia	14	1.1%
12	Korea, Republic of	9	0.7%
13	Cote D'ivoire	8	0.6%
14	Senegal	8	0.6%
15	Singapore	7	0.6%
16	Ukraine	7	0.6%
17	Egypt	7	0.6%
18	Japan	7	0.6%
19	Israel	7	0.6%
20	France	6	0.5%
21	Australia	6	0.5%
22	Brazil	6	0.5%
23	Iran, Islamic Republic of	5	0.4%
24	Hong Kong	5	0.4%
25	Mexico	5	0.4%
26	Portugal	4	0.3%
27	Indonesia	4	0.3%
28	Ireland	3	0.2%
29	Kenya	3	0.2%
30	Cyprus	3	0.2%
31	Denmark	3	0.2%
32	Palestine, State of	3	0.2%
33	Philippines	2	0.2%
34	Romania	2	0.2%
35	Uganda	2	0.2%
36	Tanzania, United Republic of	2	0.2%
37	South Africa	2	0.2%
38	Spain	2	0.2%
39	Sweden	2	0.2%
40	Ghana	2	0.2%
41	Benin	2	0.2%
42	Lithuania	2	0.2%
43	Malaysia	2	0.2%
44	New Zealand	2	0.2%
45	Pakistan	2	0.2%
46	Italy	2	0.2%
47	Hungary	2	0.2%
48	Iceland	1	0.1%
49	Bulgaria	1	0.1%
50	Cameroon	1	0.1%
51	Angola	1	0.1%
52	Greece	1	0.1%
53	Taiwan	1	0.1%
54	Turkey	1	0.1%
55	Turkmenistan	1	0.1%
56	Poland	1	0.1%
57	Slovenia	1	0.1%