Rank	Countries/Territories	Count	Percent
1	United States	472	32.7%
2	China	308	21.3%
3	India	196	13.6%
4	Germany	59	4.1%
5	Japan	36	2.5%
6	Brazil	33	2.3%
7	Canada	30	2.1%
8	Australia	26	1.8%
9	United Kingdom	25	1.7%
10	Russia	22	1.5%
11	Italy	21	1.5%
12	Netherlands	19	1.3%
13	Zambia	19	1.3%
14	Korea, Republic of	18	1.2%
15	Iran, Islamic Republic of	18	1.2%
16	Pakistan	14	1%
17	Colombia	12	0.8%
18	Turkey	11	0.8%
19	Singapore	9	0.6%
20	Portugal	8	0.6%
21	South Africa	7	0.5%
22	Switzerland	7	0.5%
23	Ireland	6	0.4%
24	Israel	6	0.4%
25	Mexico	6	0.4%
26	Ethiopia	5	0.3%
27	Romania	5	0.3%
28	France	4	0.3%
29	Argentina	4	0.3%
30	Egypt	3	0.2%
31	Ukraine	3	0.2%
32	Taiwan	2	0.1%
33	Thailand	2	0.1%
34	Spain	2	0.1%
35	Denmark	2	0.1%
36	Peru	2	0.1%
37	Philippines	2	0.1%
38	Poland	2	0.1%
39	Hong Kong	2	0.1%
40	Guatemala	1	0.1%
41	Lithuania	1	0.1%
42	Malaysia	1	0.1%
43	Mongolia	1	0.1%
44	Morocco	1	0.1%
45	Norway	1	0.1%
46	Oman	1	0.1%
47	Czech Republic	1	0.1%
48	Bangladesh	1	0.1%
49	Belgium	1	0.1%
50	Bulgaria	1	0.1%
51	Sweden	1	0.1%
52	Qatar	1	0.1%
53	Rwanda	1	0.1%
54	Serbia	1	0.1%
55	United Arab Emirates	1	0.1%