Rank	Countries/Territories	Count	Percent
1	United States	596	37.9%
2	China	506	32.2%
3	Germany	147	9.4%
4	Russia	70	4.5%
5	France	42	2.7%
6	Japan	39	2.5%
7	Netherlands	39	2.5%
8	United Kingdom	17	1.1%
9	Singapore	14	0.9%
10	Canada	12	0.8%
11	Hong Kong	8	0.5%
12	Korea, Republic of	7	0.4%
13	Bulgaria	7	0.4%
14	Turkey	7	0.4%
15	Viet Nam	6	0.4%
16	Czech Republic	5	0.3%
17	Thailand	5	0.3%
18	Lithuania	4	0.3%
19	Cyprus	4	0.3%
20	Australia	3	0.2%
21	Bolivia, Plurinational State of	3	0.2%
22	Nigeria	3	0.2%
23	Romania	3	0.2%
24	South Africa	3	0.2%
25	Sweden	2	0.1%
26	Switzerland	2	0.1%
27	Taiwan	2	0.1%
28	Norway	2	0.1%
29	Iran, Islamic Republic of	2	0.1%
30	Latvia	1	0.1%
31	India	1	0.1%
32	Argentina	1	0.1%
33	Belgium	1	0.1%
34	Croatia	1	0.1%
35	New Zealand	1	0.1%
36	Malaysia	1	0.1%
37	Mauritius	1	0.1%
38	Moldova, Republic of	1	0.1%
39	Senegal	1	0.1%
40	Serbia	1	0.1%
41	Ukraine	1	0.1%