Rank	Countries/Territories	Count	Percent
1	United States	421	39%
2	China	292	27%
3	Germany	75	6.9%
4	India	25	2.3%
5	Egypt	17	1.6%
6	Argentina	15	1.4%
7	France	15	1.4%
8	United Kingdom	15	1.4%
9	Russia	15	1.4%
10	Indonesia	13	1.2%
11	Japan	13	1.2%
12	Netherlands	12	1.1%
13	Viet Nam	12	1.1%
14	Thailand	11	1%
15	South Africa	10	0.9%
16	Ethiopia	10	0.9%
17	Portugal	9	0.8%
18	Romania	9	0.8%
19	Mexico	7	0.6%
20	Canada	7	0.6%
21	Korea, Republic of	6	0.6%
22	Singapore	6	0.6%
23	Malaysia	5	0.5%
24	Mauritius	4	0.4%
25	Italy	4	0.4%
26	Cyprus	4	0.4%
27	Ecuador	3	0.3%
28	Australia	3	0.3%
29	Ireland	3	0.3%
30	Mongolia	3	0.3%
31	Spain	3	0.3%
32	Sweden	2	0.2%
33	Switzerland	2	0.2%
34	Tanzania, United Republic of	2	0.2%
35	Tunisia	2	0.2%
36	Ukraine	2	0.2%
37	Luxembourg	2	0.2%
38	Brazil	2	0.2%
39	Colombia	2	0.2%
40	Guatemala	2	0.2%
41	Iran, Islamic Republic of	2	0.2%
42	Iraq	1	0.1%
43	Malawi	1	0.1%
44	Kazakhstan	1	0.1%
45	Nepal	1	0.1%
46	Qatar	1	0.1%
47	New Zealand	1	0.1%
48	Nigeria	1	0.1%
49	Norway	1	0.1%
50	Philippines	1	0.1%
51	Poland	1	0.1%
52	Turkey	1	0.1%
53	Uganda	1	0.1%
54	Saudi Arabia	1	0.1%