Rank	Countries/Territories	Count	Percent
1	United States	198	30.5%
2	China	159	24.5%
3	Germany	75	11.5%
4	Japan	71	10.9%
5	Singapore	25	3.8%
6	Ireland	20	3.1%
7	Senegal	12	1.8%
8	Ukraine	10	1.5%
9	Iran, Islamic Republic of	10	1.5%
10	Mali	8	1.2%
11	France	6	0.9%
12	Burkina Faso	6	0.9%
13	Togo	5	0.8%
14	Korea, Republic of	4	0.6%
15	Ghana	4	0.6%
16	Hong Kong	3	0.5%
17	Canada	3	0.5%
18	Bahamas	3	0.5%
19	Cyprus	3	0.5%
20	Switzerland	3	0.5%
21	Netherlands	3	0.5%
22	Nigeria	3	0.5%
23	Somalia	2	0.3%
24	United Kingdom	2	0.3%
25	Congo	2	0.3%
26	Brazil	2	0.3%
27	Malaysia	2	0.3%
28	India	1	0.2%
29	Bulgaria	1	0.2%
30	Australia	1	0.2%
31	Peru	1	0.2%
32	Romania	1	0.2%
33	Mauritius	1	0.2%