Rank	Countries/Territories	Count	Percent
1	United States	579	31.2%
2	China	476	25.7%
3	Ghana	140	7.6%
4	Germany	68	3.7%
5	Ireland	54	2.9%
6	Tanzania, United Republic of	54	2.9%
7	France	51	2.8%
8	Netherlands	32	1.7%
9	Nigeria	31	1.7%
10	United Kingdom	30	1.6%
11	Brazil	28	1.5%
12	Japan	25	1.3%
13	Canada	24	1.3%
14	South Africa	19	1%
15	Russia	17	0.9%
16	India	16	0.9%
17	Singapore	15	0.8%
18	Korea, Republic of	12	0.6%
19	Cyprus	11	0.6%
20	Australia	10	0.5%
21	Indonesia	9	0.5%
22	Pakistan	9	0.5%
23	Uganda	8	0.4%
24	Mauritius	8	0.4%
25	Kenya	7	0.4%
26	Benin	7	0.4%
27	Cameroon	7	0.4%
28	Iran, Islamic Republic of	6	0.3%
29	Mexico	6	0.3%
30	Taiwan	6	0.3%
31	South Sudan	5	0.3%
32	Namibia	5	0.3%
33	Ukraine	5	0.3%
34	Italy	5	0.3%
35	Lithuania	4	0.2%
36	Mozambique	4	0.2%
37	Ecuador	4	0.2%
38	Ethiopia	4	0.2%
39	Chile	4	0.2%
40	Congo, The Democratic Republic of The	4	0.2%
41	Viet Nam	4	0.2%
42	Zambia	3	0.2%
43	Poland	3	0.2%
44	Turkey	3	0.2%
45	Hong Kong	3	0.2%
46	Malaysia	2	0.1%
47	Latvia	2	0.1%
48	Lebanon	2	0.1%
49	Sudan	2	0.1%
50	Sweden	2	0.1%
51	Switzerland	2	0.1%
52	Portugal	2	0.1%
53	Romania	2	0.1%
54	United Arab Emirates	2	0.1%
55	Rwanda	1	0.1%
56	Saudi Arabia	1	0.1%
57	Puerto Rico	1	0.1%
58	Spain	1	0.1%
59	Liberia	1	0.1%
60	Mongolia	1	0.1%
61	Norway	1	0.1%
62	Cuba	1	0.1%
63	Bangladesh	1	0.1%
64	Belgium	1	0.1%