Rank	Countries/Territories	Count	Percent
1	United States	426	41.5%
2	China	256	25%
3	Germany	159	15.5%
4	Nigeria	26	2.5%
5	Singapore	23	2.2%
6	India	19	1.9%
7	Australia	15	1.5%
8	France	11	1.1%
9	Netherlands	11	1.1%
10	Cyprus	10	1%
11	Canada	9	0.9%
12	Japan	9	0.9%
13	Switzerland	5	0.5%
14	Ireland	5	0.5%
15	Indonesia	4	0.4%
16	Iran, Islamic Republic of	4	0.4%
17	Belgium	4	0.4%
18	Spain	4	0.4%
19	Malaysia	3	0.3%
20	Russia	3	0.3%
21	Tanzania, United Republic of	3	0.3%
22	Argentina	3	0.3%
23	Brazil	2	0.2%
24	Egypt	2	0.2%
25	Hong Kong	2	0.2%
26	Hungary	2	0.2%
27	Mongolia	2	0.2%
28	South Africa	1	0.1%
29	United Kingdom	1	0.1%
30	Ghana	1	0.1%
31	Fiji	1	0.1%