Rank	Countries/Territories	Count	Percent
1	United States	278	27.7%
2	China	272	27.1%
3	India	135	13.5%
4	Chile	96	9.6%
5	Germany	36	3.6%
6	Russia	21	2.1%
7	Japan	19	1.9%
8	France	16	1.6%
9	United Kingdom	12	1.2%
10	Korea, Republic of	10	1%
11	Singapore	10	1%
12	Netherlands	9	0.9%
13	Israel	8	0.8%
14	Switzerland	6	0.6%
15	Spain	5	0.5%
16	Italy	5	0.5%
17	Egypt	5	0.5%
18	Canada	4	0.4%
19	Iran, Islamic Republic of	4	0.4%
20	Ireland	4	0.4%
21	Pakistan	4	0.4%
22	Thailand	4	0.4%
23	Lithuania	3	0.3%
24	Australia	3	0.3%
25	Brazil	3	0.3%
26	Denmark	3	0.3%
27	Finland	2	0.2%
28	Hungary	2	0.2%
29	Bahrain	2	0.2%
30	Argentina	2	0.2%
31	Czech Republic	2	0.2%
32	Norway	2	0.2%
33	Nepal	2	0.2%
34	Romania	2	0.2%
35	Taiwan	2	0.2%
36	Sweden	1	0.1%
37	Ukraine	1	0.1%
38	Slovakia	1	0.1%
39	Poland	1	0.1%
40	Qatar	1	0.1%
41	Mongolia	1	0.1%
42	Bangladesh	1	0.1%
43	Bulgaria	1	0.1%
44	Greece	1	0.1%