Rank	Countries/Territories	Count	Percent
1	United States	302	25.6%
2	China	262	22.2%
3	India	102	8.7%
4	Germany	81	6.9%
5	United Kingdom	49	4.2%
6	Japan	42	3.6%
7	Netherlands	41	3.5%
8	Bulgaria	20	1.7%
9	Ireland	18	1.5%
10	Korea, Republic of	16	1.4%
11	France	14	1.2%
12	Australia	14	1.2%
13	Pakistan	14	1.2%
14	Taiwan	14	1.2%
15	Spain	13	1.1%
16	Mexico	13	1.1%
17	Thailand	11	0.9%
18	Egypt	10	0.8%
19	Venezuela, Bolivarian Republic of	9	0.8%
20	Canada	8	0.7%
21	Brazil	8	0.7%
22	Malaysia	6	0.5%
23	Saudi Arabia	6	0.5%
24	Philippines	6	0.5%
25	Singapore	5	0.4%
26	Tanzania, United Republic of	5	0.4%
27	Mauritius	5	0.4%
28	Indonesia	5	0.4%
29	Ethiopia	5	0.4%
30	Belgium	4	0.3%
31	South Africa	4	0.3%
32	Russia	4	0.3%
33	Italy	3	0.3%
34	New Zealand	3	0.3%
35	Poland	3	0.3%
36	Sweden	3	0.3%
37	Slovakia	3	0.3%
38	Turkey	3	0.3%
39	Chile	3	0.3%
40	Iran, Islamic Republic of	3	0.3%
41	Hong Kong	3	0.3%
42	Mongolia	3	0.3%
43	Nepal	2	0.2%
44	Greece	2	0.2%
45	Israel	2	0.2%
46	Cyprus	2	0.2%
47	Ecuador	2	0.2%
48	Bahrain	2	0.2%
49	Ukraine	2	0.2%
50	Yemen	2	0.2%
51	Syrian Arab Republic	2	0.2%
52	Switzerland	1	0.1%
53	Slovenia	1	0.1%
54	Serbia	1	0.1%
55	Portugal	1	0.1%
56	Romania	1	0.1%
57	Bangladesh	1	0.1%
58	Belarus	1	0.1%
59	Bosnia and Herzegovina	1	0.1%
60	Argentina	1	0.1%
61	Denmark	1	0.1%
62	Guyana	1	0.1%
63	Hungary	1	0.1%
64	Lebanon	1	0.1%
65	Jordan	1	0.1%
66	Kenya	1	0.1%