Rank	Countries/Territories	Count	Percent
1	United States	278	42.9%
2	China	117	18.1%
3	Germany	80	12.3%
4	Netherlands	25	3.9%
5	France	22	3.4%
6	Canada	22	3.4%
7	United Kingdom	15	2.3%
8	Ireland	11	1.7%
9	India	10	1.5%
10	Japan	8	1.2%
11	Australia	7	1.1%
12	Cyprus	5	0.8%
13	Bulgaria	4	0.6%
14	Ethiopia	4	0.6%
15	Zambia	4	0.6%
16	Turkey	3	0.5%
17	Philippines	3	0.5%
18		3	0.5%
19	Austria	2	0.3%
20	Bolivia, Plurinational State of	2	0.3%
21	Czech Republic	2	0.3%
22	Israel	2	0.3%
23	South Africa	2	0.3%
24	Norway	2	0.3%
25	Pakistan	2	0.3%
26	Ukraine	2	0.3%
27	Kuwait	1	0.2%
28	Lithuania	1	0.2%
29	Switzerland	1	0.2%
30	Thailand	1	0.2%
31	Singapore	1	0.2%
32	Jamaica	1	0.2%
33	Iran, Islamic Republic of	1	0.2%
34	Georgia	1	0.2%
35	Greece	1	0.2%
36	Hong Kong	1	0.2%
37	Armenia	1	0.2%