Rank	Countries/Territories	Count	Percent
1	United States	172	27.9%
2	China	141	22.9%
3	Germany	71	11.5%
4	India	54	8.8%
5	Netherlands	24	3.9%
6	Korea, Republic of	15	2.4%
7	Indonesia	15	2.4%
8	United Kingdom	15	2.4%
9	Ireland	12	1.9%
10	Japan	8	1.3%
11	Burkina Faso	7	1.1%
12	Australia	5	0.8%
13	France	5	0.8%
14	Senegal	5	0.8%
15	Viet Nam	5	0.8%
16	Taiwan	5	0.8%
17	Ukraine	4	0.6%
18	Uzbekistan	4	0.6%
19	Saudi Arabia	4	0.6%
20	Benin	4	0.6%
21	Mexico	3	0.5%
22	Philippines	3	0.5%
23	Romania	3	0.5%
24	Russia	2	0.3%
25	Singapore	2	0.3%
26	Mauritius	2	0.3%
27	New Zealand	2	0.3%
28	Norway	2	0.3%
29	Pakistan	2	0.3%
30	Canada	2	0.3%
31	Iran, Islamic Republic of	2	0.3%
32	El Salvador	2	0.3%
33	Uganda	2	0.3%
34	United Arab Emirates	1	0.2%
35	Argentina	1	0.2%
36	Hong Kong	1	0.2%
37	Chile	1	0.2%
38	Bosnia and Herzegovina	1	0.2%
39	Colombia	1	0.2%
40	Cote D'ivoire	1	0.2%
41	Cyprus	1	0.2%
42	Nigeria	1	0.2%
43	Lithuania	1	0.2%
44	Sweden	1	0.2%
45	Poland	1	0.2%