Rank	Countries/Territories	Count	Percent
1	United States	287	25.3%
2	China	251	22.1%
3	India	101	8.9%
4	Germany	81	7.1%
5	United Kingdom	45	4%
6	Japan	41	3.6%
7	Netherlands	40	3.5%
8	Bulgaria	20	1.8%
9	Ireland	18	1.6%
10	Korea, Republic of	16	1.4%
11	Pakistan	14	1.2%
12	Taiwan	14	1.2%
13	Mexico	13	1.1%
14	France	12	1.1%
15	Australia	12	1.1%
16	Spain	12	1.1%
17	Thailand	11	1%
18	Egypt	10	0.9%
19	Venezuela, Bolivarian Republic of	9	0.8%
20	Brazil	8	0.7%
21	Canada	7	0.6%
22	Malaysia	6	0.5%
23	Philippines	6	0.5%
24	Saudi Arabia	6	0.5%
25	Tanzania, United Republic of	5	0.4%
26	Singapore	5	0.4%
27	Mauritius	5	0.4%
28	Indonesia	5	0.4%
29	Ethiopia	5	0.4%
30	Belgium	4	0.4%
31	Russia	4	0.4%
32	South Africa	4	0.4%
33	Slovakia	3	0.3%
34	Sweden	3	0.3%
35	New Zealand	3	0.3%
36	Poland	3	0.3%
37	Turkey	3	0.3%
38	Chile	3	0.3%
39	Iran, Islamic Republic of	3	0.3%
40	Hong Kong	3	0.3%
41	Mongolia	3	0.3%
42	Greece	2	0.2%
43	Israel	2	0.2%
44	Ecuador	2	0.2%
45	Bahrain	2	0.2%
46	Ukraine	2	0.2%
47	Syrian Arab Republic	2	0.2%
48	Yemen	2	0.2%
49	Portugal	1	0.1%
50	Serbia	1	0.1%
51	Switzerland	1	0.1%
52	Slovenia	1	0.1%
53	Bangladesh	1	0.1%
54	Belarus	1	0.1%
55	Bosnia and Herzegovina	1	0.1%
56	Argentina	1	0.1%
57	Cyprus	1	0.1%
58	Denmark	1	0.1%
59	Italy	1	0.1%
60	Guyana	1	0.1%
61	Hungary	1	0.1%
62	Lebanon	1	0.1%
63	Jordan	1	0.1%
64	Kenya	1	0.1%