Rank	Countries/Territories	Count	Percent
1	United States	479	39.8%
2	China	218	18.1%
3	Germany	115	9.6%
4	United Kingdom	56	4.7%
5	Brazil	49	4.1%
6	South Africa	40	3.3%
7	France	28	2.3%
8	Ethiopia	22	1.8%
9	Canada	21	1.7%
10	Japan	17	1.4%
11	Netherlands	11	0.9%
12	Taiwan	11	0.9%
13	Singapore	10	0.8%
14	Korea, Republic of	10	0.8%
15	India	10	0.8%
16	Iran, Islamic Republic of	8	0.7%
17	Australia	8	0.7%
18	Indonesia	7	0.6%
19	Ghana	7	0.6%
20	Egypt	6	0.5%
21	Ireland	6	0.5%
22	Malaysia	6	0.5%
23	Pakistan	6	0.5%
24	Senegal	6	0.5%
25	Switzerland	5	0.4%
26	Viet Nam	4	0.3%
27	Oman	4	0.3%
28	Ecuador	4	0.3%
29	Mauritius	3	0.2%
30	Italy	3	0.2%
31	Israel	2	0.2%
32	Lebanon	2	0.2%
33	Nigeria	2	0.2%
34	Russia	2	0.2%
35	Cyprus	2	0.2%
36	Argentina	2	0.2%
37	Georgia	2	0.2%
38	Iraq	2	0.2%
39	Hong Kong	1	0.1%
40	Poland	1	0.1%
41	Portugal	1	0.1%
42	Malawi	1	0.1%
43	Thailand	1	0.1%
44	Ukraine	1	0.1%
45	Spain	1	0.1%