Rank	Countries/Territories	Count	Percent
1	United States	426	36.5%
2	China	335	28.7%
3	Germany	118	10.1%
4	France	48	4.1%
5	Netherlands	37	3.2%
6	Canada	31	2.7%
7	United Kingdom	24	2.1%
8	Australia	14	1.2%
9	Russia	14	1.2%
10	Ireland	14	1.2%
11	Japan	10	0.9%
12	India	10	0.9%
13	Mexico	9	0.8%
14	Bulgaria	7	0.6%
15	Cyprus	7	0.6%
16	Korea, Republic of	6	0.5%
17	Norway	4	0.3%
18	Czech Republic	4	0.3%
19	Ethiopia	4	0.3%
20	Zambia	4	0.3%
21	South Africa	3	0.3%
22	Turkey	3	0.3%
23		3	0.3%
24	Philippines	3	0.3%
25	Romania	3	0.3%
26	Singapore	2	0.2%
27	Pakistan	2	0.2%
28	Israel	2	0.2%
29	Austria	2	0.2%
30	Bolivia, Plurinational State of	2	0.2%
31	Ukraine	2	0.2%
32	Switzerland	1	0.1%
33	Thailand	1	0.1%
34	Argentina	1	0.1%
35	Armenia	1	0.1%
36	Iran, Islamic Republic of	1	0.1%
37	Greece	1	0.1%
38	Hong Kong	1	0.1%
39	Chile	1	0.1%
40	Georgia	1	0.1%
41	Italy	1	0.1%
42	Jamaica	1	0.1%
43	Kuwait	1	0.1%
44	Latvia	1	0.1%
45	Lithuania	1	0.1%