Rank	Countries/Territories	Count	Percent
1	United States	321	32.2%
2	China	270	27.1%
3	Germany	96	9.6%
4	Japan	82	8.2%
5	Singapore	26	2.6%
6	Ireland	21	2.1%
7	Senegal	19	1.9%
8	France	19	1.9%
9	Ukraine	13	1.3%
10	Russia	12	1.2%
11	Iran, Islamic Republic of	10	1%
12	Argentina	9	0.9%
13	Cyprus	8	0.8%
14	Mali	8	0.8%
15	Togo	8	0.8%
16	United Kingdom	7	0.7%
17	Burkina Faso	7	0.7%
18	Australia	5	0.5%
19	Switzerland	5	0.5%
20	Sweden	4	0.4%
21	Mauritius	4	0.4%
22	Korea, Republic of	4	0.4%
23	Ghana	4	0.4%
24	Hong Kong	3	0.3%
25	Gabon	3	0.3%
26	Bahamas	3	0.3%
27	Canada	3	0.3%
28	Netherlands	3	0.3%
29	Nigeria	3	0.3%
30	Malaysia	2	0.2%
31	Mongolia	2	0.2%
32	Somalia	2	0.2%
33	Congo	2	0.2%
34	Brazil	2	0.2%
35	Ethiopia	2	0.2%
36	India	1	0.1%
37	Bulgaria	1	0.1%
38	Peru	1	0.1%
39	Romania	1	0.1%
40	Turkey	1	0.1%