Rank	Countries/Territories	Count	Percent
1	United States	320	28.8%
2	China	278	25%
3	India	130	11.7%
4	Germany	83	7.5%
5	Japan	20	1.8%
6	United Kingdom	20	1.8%
7	Turkey	20	1.8%
8	Canada	18	1.6%
9	Korea, Republic of	16	1.4%
10	Russia	16	1.4%
11	France	15	1.4%
12	Egypt	10	0.9%
13	Mexico	10	0.9%
14	Singapore	9	0.8%
15	Taiwan	7	0.6%
16	Netherlands	7	0.6%
17	Iran, Islamic Republic of	7	0.6%
18	Ireland	7	0.6%
19	Indonesia	6	0.5%
20	Australia	6	0.5%
21	Viet Nam	6	0.5%
22	Nigeria	5	0.5%
23	Argentina	5	0.5%
24	Hong Kong	5	0.5%
25	Nepal	5	0.5%
26	Jordan	5	0.5%
27	Brazil	4	0.4%
28	Cyprus	4	0.4%
29	Cote D'ivoire	4	0.4%
30	New Zealand	4	0.4%
31	Saudi Arabia	4	0.4%
32	Thailand	4	0.4%
33	South Africa	3	0.3%
34	Uzbekistan	3	0.3%
35	Italy	3	0.3%
36	Israel	2	0.2%
37	Ghana	2	0.2%
38	Guatemala	2	0.2%
39	Kenya	2	0.2%
40	Lebanon	2	0.2%
41	Denmark	2	0.2%
42	Cambodia	2	0.2%
43	Chile	2	0.2%
44	Bangladesh	2	0.2%
45	Belgium	2	0.2%
46	Spain	2	0.2%
47	Senegal	2	0.2%
48	Pakistan	2	0.2%
49	Philippines	2	0.2%
50	Poland	2	0.2%
51	Puerto Rico	1	0.1%
52	Switzerland	1	0.1%
53	Syrian Arab Republic	1	0.1%
54	Turkmenistan	1	0.1%
55	United Arab Emirates	1	0.1%
56	Algeria	1	0.1%
57	Croatia	1	0.1%
58	Costa Rica	1	0.1%
59	Morocco	1	0.1%
60	Myanmar	1	0.1%
61	Lao People's Democratic Republic	1	0.1%