Rank	Countries/Territories	Count	Percent
1	United States	610	37.4%
2	China	507	31.1%
3	Germany	194	11.9%
4	Japan	110	6.7%
5	France	48	2.9%
6	Netherlands	46	2.8%
7	Lithuania	13	0.8%
8	Russia	11	0.7%
9	Singapore	10	0.6%
10	Norway	8	0.5%
11	Taiwan	8	0.5%
12	Argentina	8	0.5%
13	Cyprus	7	0.4%
14	Hong Kong	6	0.4%
15	Australia	5	0.3%
16	Canada	5	0.3%
17	South Africa	5	0.3%
18	Bolivia, Plurinational State of	4	0.2%
19	India	4	0.2%
20	Korea, Republic of	3	0.2%
21	United Kingdom	3	0.2%
22	Turkey	2	0.1%
23	Nigeria	2	0.1%
24	Mongolia	2	0.1%
25	Latvia	1	0.1%
26	Iran, Islamic Republic of	1	0.1%
27	Belgium	1	0.1%
28	Georgia	1	0.1%
29	Romania	1	0.1%
30	Spain	1	0.1%
31	Switzerland	1	0.1%
32	Ukraine	1	0.1%
33	Viet Nam	1	0.1%