Rank	Countries/Territories	Count	Percent
1	United States	604	33.5%
2	China	375	20.8%
3	India	210	11.6%
4	Germany	75	4.2%
5	Canada	60	3.3%
6	Japan	43	2.4%
7	United Kingdom	38	2.1%
8	Brazil	35	1.9%
9	Australia	29	1.6%
10	Netherlands	28	1.6%
11	Korea, Republic of	26	1.4%
12	Iran, Islamic Republic of	24	1.3%
13	Russia	23	1.3%
14	Italy	21	1.2%
15	Zambia	19	1.1%
16	Turkey	15	0.8%
17	Pakistan	15	0.8%
18	Israel	14	0.8%
19	Colombia	13	0.7%
20	Portugal	11	0.6%
21	El Salvador	10	0.6%
22	Singapore	9	0.5%
23	South Africa	7	0.4%
24	Switzerland	7	0.4%
25	France	7	0.4%
26	Ireland	6	0.3%
27	Mexico	6	0.3%
28	Malta	5	0.3%
29	Ethiopia	5	0.3%
30	Romania	5	0.3%
31	Peru	5	0.3%
32	Ukraine	4	0.2%
33	Argentina	4	0.2%
34	Belgium	3	0.2%
35	Egypt	3	0.2%
36	Philippines	3	0.2%
37	Norway	3	0.2%
38	Poland	2	0.1%
39	Spain	2	0.1%
40	United Arab Emirates	2	0.1%
41	Taiwan	2	0.1%
42	Thailand	2	0.1%
43	Denmark	2	0.1%
44	Holy See	2	0.1%
45	Hong Kong	2	0.1%
46	Guatemala	1	0.1%
47	Mauritius	1	0.1%
48	Mongolia	1	0.1%
49	Morocco	1	0.1%
50	Lithuania	1	0.1%
51	Malaysia	1	0.1%
52	Jordan	1	0.1%
53	Bulgaria	1	0.1%
54	Bangladesh	1	0.1%
55	Cyprus	1	0.1%
56	Czech Republic	1	0.1%
57	Sri Lanka	1	0.1%
58	Sweden	1	0.1%
59	Qatar	1	0.1%
60	Rwanda	1	0.1%
61	Serbia	1	0.1%
62	Oman	1	0.1%
63	Nigeria	1	0.1%