Rank	Countries/Territories	Count	Percent
1	United States	261	30.5%
2	China	195	22.8%
3	India	107	12.5%
4	Germany	46	5.4%
5	Japan	20	2.3%
6	Brazil	16	1.9%
7	Tanzania, United Republic of	16	1.9%
8	Australia	15	1.8%
9	France	15	1.8%
10	Hungary	14	1.6%
11	United Kingdom	12	1.4%
12	Korea, Republic of	11	1.3%
13	Indonesia	9	1.1%
14	Thailand	8	0.9%
15	Ireland	7	0.8%
16	Italy	7	0.8%
17	Mexico	7	0.8%
18	Singapore	7	0.8%
19	Nigeria	6	0.7%
20	Netherlands	5	0.6%
21	Hong Kong	5	0.6%
22	Taiwan	5	0.6%
23	Ukraine	5	0.6%
24	Viet Nam	4	0.5%
25	Iran, Islamic Republic of	4	0.5%
26	Moldova, Republic of	4	0.5%
27	Morocco	4	0.5%
28	Poland	3	0.4%
29	Ghana	3	0.4%
30	Canada	3	0.4%
31	United Arab Emirates	3	0.4%
32	Saudi Arabia	3	0.4%
33	Chile	2	0.2%
34	Bangladesh	2	0.2%
35	Cameroon	2	0.2%
36	Guyana	2	0.2%
37	Ecuador	2	0.2%
38	Egypt	2	0.2%
39	Spain	2	0.2%
40	Malaysia	2	0.2%
41	Mauritius	2	0.2%
42	Russia	1	0.1%
43	Norway	1	0.1%
44	Philippines	1	0.1%
45	Ethiopia	1	0.1%
46	Cyprus	1	0.1%
47	Denmark	1	0.1%
48	Turkey	1	0.1%