Rank	Countries/Territories	Count	Percent
1	United States	347	31%
2	China	318	28.4%
3	Germany	68	6.1%
4	Nigeria	29	2.6%
5	India	28	2.5%
6	Ghana	25	2.2%
7	Cyprus	21	1.9%
8	Japan	21	1.9%
9	Canada	18	1.6%
10	Indonesia	17	1.5%
11	Malaysia	17	1.5%
12	Netherlands	17	1.5%
13	Ireland	12	1.1%
14	Hong Kong	12	1.1%
15	Singapore	12	1.1%
16	Iran, Islamic Republic of	11	1%
17	Pakistan	10	0.9%
18	France	9	0.8%
19	Egypt	9	0.8%
20	United Kingdom	9	0.8%
21	Taiwan	8	0.7%
22	South Africa	7	0.6%
23	Russia	7	0.6%
24	United Arab Emirates	7	0.6%
25	Bangladesh	6	0.5%
26	Mexico	6	0.5%
27	Kenya	6	0.5%
28	Korea, Republic of	5	0.4%
29	Tanzania, United Republic of	5	0.4%
30	Thailand	5	0.4%
31	Turkey	4	0.4%
32	Australia	4	0.4%
33	Colombia	4	0.4%
34	Czech Republic	4	0.4%
35	Ethiopia	3	0.3%
36	Mongolia	3	0.3%
37	Sweden	3	0.3%
38	Viet Nam	2	0.2%
39	Zimbabwe	2	0.2%
40	Kazakhstan	2	0.2%
41	Cameroon	2	0.2%
42	Argentina	1	0.1%
43	Belgium	1	0.1%
44	Cambodia	1	0.1%
45	Finland	1	0.1%
46	Italy	1	0.1%
47	Libya	1	0.1%
48	Mauritius	1	0.1%
49	Palestine, State of	1	0.1%
50	Portugal	1	0.1%
51	Romania	1	0.1%
52	Venezuela, Bolivarian Republic of	1	0.1%
53	Syrian Arab Republic	1	0.1%
54	Spain	1	0.1%
55	Ukraine	1	0.1%