Rank	Countries/Territories	Count	Percent
1	United States	555	33.4%
2	China	342	20.6%
3	India	206	12.4%
4	Germany	70	4.2%
5	Canada	46	2.8%
6	Japan	41	2.5%
7	United Kingdom	36	2.2%
8	Brazil	34	2%
9	Australia	28	1.7%
10	Korea, Republic of	24	1.4%
11	Netherlands	23	1.4%
12	Russia	23	1.4%
13	Italy	21	1.3%
14	Iran, Islamic Republic of	20	1.2%
15	Zambia	19	1.1%
16	Turkey	15	0.9%
17	Israel	14	0.8%
18	Pakistan	14	0.8%
19	Colombia	13	0.8%
20	Portugal	11	0.7%
21	Singapore	9	0.5%
22	South Africa	7	0.4%
23	Switzerland	7	0.4%
24	Mexico	6	0.4%
25	France	6	0.4%
26	Ireland	6	0.4%
27	Peru	5	0.3%
28	Ethiopia	5	0.3%
29	Romania	5	0.3%
30	Ukraine	4	0.2%
31	Argentina	4	0.2%
32	Belgium	3	0.2%
33	Egypt	3	0.2%
34	Norway	3	0.2%
35	Taiwan	2	0.1%
36	Thailand	2	0.1%
37	Spain	2	0.1%
38	Denmark	2	0.1%
39	Holy See	2	0.1%
40	Hong Kong	2	0.1%
41	Philippines	2	0.1%
42	Poland	2	0.1%
43	Mongolia	1	0.1%
44	Morocco	1	0.1%
45	Nigeria	1	0.1%
46	Lithuania	1	0.1%
47	Malaysia	1	0.1%
48	Jordan	1	0.1%
49	Guatemala	1	0.1%
50	Bangladesh	1	0.1%
51	Czech Republic	1	0.1%
52	Bulgaria	1	0.1%
53	Sri Lanka	1	0.1%
54	Sweden	1	0.1%
55	United Arab Emirates	1	0.1%
56	Oman	1	0.1%
57	Qatar	1	0.1%
58	Rwanda	1	0.1%
59	Serbia	1	0.1%