Rank	Countries/Territories	Count	Percent
1	United States	342	28.7%
2	China	310	26.1%
3	India	165	13.9%
4	Chile	100	8.4%
5	Germany	45	3.8%
6	Japan	25	2.1%
7	Russia	23	1.9%
8	France	22	1.8%
9	Netherlands	14	1.2%
10	United Kingdom	14	1.2%
11	Singapore	10	0.8%
12	Korea, Republic of	10	0.8%
13	Israel	9	0.8%
14	Spain	7	0.6%
15	Switzerland	6	0.5%
16	Argentina	6	0.5%
17	Australia	5	0.4%
18	Egypt	5	0.4%
19	Italy	5	0.4%
20	Ireland	5	0.4%
21	Pakistan	4	0.3%
22	Iran, Islamic Republic of	4	0.3%
23	Canada	4	0.3%
24	Thailand	4	0.3%
25	Turkey	3	0.3%
26	Romania	3	0.3%
27	Norway	3	0.3%
28	Brazil	3	0.3%
29	Denmark	3	0.3%
30	Lithuania	3	0.3%
31	Peru	3	0.3%
32	Nepal	2	0.2%
33	Hungary	2	0.2%
34	Finland	2	0.2%
35	Czech Republic	2	0.2%
36	Bahrain	2	0.2%
37	Bangladesh	2	0.2%
38	Taiwan	2	0.2%
39	Sweden	1	0.1%
40	Slovakia	1	0.1%
41	Ukraine	1	0.1%
42	Bulgaria	1	0.1%
43	Estonia	1	0.1%
44	Greece	1	0.1%
45	Malaysia	1	0.1%
46	Moldova, Republic of	1	0.1%
47	Mongolia	1	0.1%
48	Poland	1	0.1%
49	Qatar	1	0.1%