Rank	Countries/Territories	Count	Percent
1	United States	403	39.5%
2	China	313	30.7%
3	Germany	82	8%
4	Cameroon	40	3.9%
5	France	33	3.2%
6	India	16	1.6%
7	Canada	15	1.5%
8	Japan	13	1.3%
9	Singapore	8	0.8%
10	Algeria	8	0.8%
11	Cyprus	8	0.8%
12	Netherlands	7	0.7%
13	Senegal	6	0.6%
14	United Kingdom	6	0.6%
15	Ireland	5	0.5%
16	Egypt	5	0.5%
17	Iran, Islamic Republic of	4	0.4%
18	Hong Kong	4	0.4%
19	Bangladesh	4	0.4%
20	Spain	4	0.4%
21	Thailand	4	0.4%
22	Slovakia	3	0.3%
23	Russia	3	0.3%
24	Malaysia	3	0.3%
25	Colombia	3	0.3%
26	Taiwan	3	0.3%
27	Brazil	2	0.2%
28	Argentina	2	0.2%
29	Australia	2	0.2%
30	Malawi	2	0.2%
31	Myanmar	2	0.2%
32	Sweden	2	0.2%
33	Switzerland	1	0.1%
34	Ukraine	1	0.1%
35	Italy	1	0.1%
36	Mongolia	1	0.1%
37	Denmark	1	0.1%