Rank	Countries/Territories	Count	Percent
1	United States	184	34.8%
2	China	84	15.9%
3	Germany	58	11%
4	Brazil	49	9.3%
5	United Kingdom	27	5.1%
6	Japan	13	2.5%
7	Taiwan	11	2.1%
8	Canada	9	1.7%
9	Ethiopia	9	1.7%
10	Singapore	8	1.5%
11	India	7	1.3%
12	Indonesia	6	1.1%
13	Ireland	6	1.1%
14	Korea, Republic of	6	1.1%
15	Netherlands	5	0.9%
16	South Africa	5	0.9%
17	France	5	0.9%
18	Ghana	4	0.8%
19	Iran, Islamic Republic of	4	0.8%
20	Senegal	4	0.8%
21	Oman	4	0.8%
22	Pakistan	4	0.8%
23	Mauritius	3	0.6%
24	Australia	3	0.6%
25	Egypt	2	0.4%
26	Iraq	2	0.4%
27	Israel	2	0.4%
28	Cyprus	1	0.2%
29	Switzerland	1	0.2%
30	Poland	1	0.2%
31	Malawi	1	0.2%
32	Malaysia	1	0.2%