Rank	Countries/Territories	Count	Percent
1	United States	315	28.5%
2	China	290	26.2%
3	India	143	12.9%
4	Chile	97	8.8%
5	Germany	45	4.1%
6	Japan	25	2.3%
7	Russia	23	2.1%
8	France	21	1.9%
9	Netherlands	14	1.3%
10	United Kingdom	12	1.1%
11	Singapore	10	0.9%
12	Korea, Republic of	10	0.9%
13	Israel	8	0.7%
14	Spain	6	0.5%
15	Switzerland	6	0.5%
16	Italy	5	0.5%
17	Ireland	5	0.5%
18	Egypt	5	0.5%
19	Australia	5	0.5%
20	Canada	4	0.4%
21	Iran, Islamic Republic of	4	0.4%
22	Pakistan	4	0.4%
23	Thailand	4	0.4%
24	Romania	3	0.3%
25	Peru	3	0.3%
26	Norway	3	0.3%
27	Lithuania	3	0.3%
28	Brazil	3	0.3%
29	Denmark	3	0.3%
30	Finland	2	0.2%
31	Bahrain	2	0.2%
32	Bangladesh	2	0.2%
33	Argentina	2	0.2%
34	Czech Republic	2	0.2%
35	Hungary	2	0.2%
36	Nepal	2	0.2%
37	Taiwan	2	0.2%
38	Sweden	1	0.1%
39	Slovakia	1	0.1%
40	Ukraine	1	0.1%
41	Malaysia	1	0.1%
42	Moldova, Republic of	1	0.1%
43	Mongolia	1	0.1%
44	Poland	1	0.1%
45	Qatar	1	0.1%
46	Bulgaria	1	0.1%
47	Greece	1	0.1%
48	Estonia	1	0.1%