Rank	Countries/Territories	Count	Percent
1	United States	456	35.7%
2	China	448	35.1%
3	Germany	74	5.8%
4	India	52	4.1%
5	Japan	34	2.7%
6	Netherlands	23	1.8%
7	Russia	19	1.5%
8	Australia	19	1.5%
9	United Kingdom	17	1.3%
10	Ireland	11	0.9%
11	Korea, Republic of	10	0.8%
12	Argentina	9	0.7%
13	Malawi	9	0.7%
14	Poland	7	0.5%
15	Senegal	7	0.5%
16	Switzerland	7	0.5%
17	Peru	6	0.5%
18	Morocco	6	0.5%
19	Iran, Islamic Republic of	6	0.5%
20	Cyprus	4	0.3%
21	Portugal	4	0.3%
22	South Africa	4	0.3%
23	Viet Nam	3	0.2%
24	Mexico	3	0.2%
25	Latvia	3	0.2%
26	Bangladesh	3	0.2%
27	Canada	3	0.2%
28	Hong Kong	3	0.2%
29	France	2	0.2%
30	Lao People's Democratic Republic	2	0.2%
31	Austria	2	0.2%
32	Singapore	2	0.2%
33	United Arab Emirates	2	0.2%
34	Taiwan	2	0.2%
35	Thailand	2	0.2%
36	Turkey	2	0.2%
37	Ukraine	1	0.1%
38	Spain	1	0.1%
39	Saudi Arabia	1	0.1%
40	Romania	1	0.1%
41	Lithuania	1	0.1%
42	Nigeria	1	0.1%
43	North Macedonia	1	0.1%
44	Norway	1	0.1%
45	Pakistan	1	0.1%
46	Finland	1	0.1%
47	Croatia	1	0.1%
48	Iraq	1	0.1%