Rank	Countries/Territories	Count	Percent
1	United States	401	39.9%
2	China	307	30.6%
3	Germany	82	8.2%
4	Cameroon	38	3.8%
5	France	33	3.3%
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	United Kingdom	6	0.6%
14	Ireland	5	0.5%
15	Egypt	5	0.5%
16	Iran, Islamic Republic of	4	0.4%
17	Hong Kong	4	0.4%
18	Bangladesh	4	0.4%
19	Spain	4	0.4%
20	Thailand	4	0.4%
21	Taiwan	3	0.3%
22	Slovakia	3	0.3%
23	Russia	3	0.3%
24	Malaysia	3	0.3%
25	Colombia	3	0.3%
26	Brazil	2	0.2%
27	Argentina	2	0.2%
28	Australia	2	0.2%
29	Malawi	2	0.2%
30	Sweden	2	0.2%
31	Myanmar	2	0.2%
32	Ukraine	1	0.1%
33	Switzerland	1	0.1%
34	Italy	1	0.1%
35	Mongolia	1	0.1%
36	Denmark	1	0.1%