Rank	Countries/Territories	Count	Percent
1	United States	328	39.8%
2	China	266	32.3%
3	India	45	5.5%
4	Brazil	37	4.5%
5	Germany	32	3.9%
6	Japan	25	3%
7	Korea, Republic of	14	1.7%
8	Russia	11	1.3%
9	Singapore	7	0.8%
10	Netherlands	6	0.7%
11	Italy	6	0.7%
12	Canada	5	0.6%
13	Taiwan	5	0.6%
14	Philippines	3	0.4%
15	Hong Kong	3	0.4%
16	France	3	0.4%
17	South Africa	3	0.4%
18	Uzbekistan	2	0.2%
19	Kenya	2	0.2%
20	Iran, Islamic Republic of	2	0.2%
21	Ireland	2	0.2%
22	Czech Republic	2	0.2%
23	Mongolia	2	0.2%
24	Pakistan	1	0.1%
25	Lithuania	1	0.1%
26	Malaysia	1	0.1%
27	Moldova, Republic of	1	0.1%
28	Thailand	1	0.1%
29	Turkey	1	0.1%
30	United Kingdom	1	0.1%
31	Slovakia	1	0.1%
32	Serbia	1	0.1%
33	Denmark	1	0.1%
34	Australia	1	0.1%
35	Belgium	1	0.1%
36	Israel	1	0.1%