Rank	Countries/Territories	Count	Percent
1	United States	492	40.6%
2	China	278	23%
3	Germany	152	12.6%
4	Netherlands	44	3.6%
5	Singapore	32	2.6%
6	Lithuania	29	2.4%
7	France	22	1.8%
8	Japan	21	1.7%
9	Argentina	20	1.7%
10	Bulgaria	19	1.6%
11	United Kingdom	15	1.2%
12	Canada	11	0.9%
13	Korea, Republic of	7	0.6%
14	Cyprus	6	0.5%
15	Norway	6	0.5%
16	Iran, Islamic Republic of	5	0.4%
17	Russia	5	0.4%
18	Spain	5	0.4%
19	Switzerland	5	0.4%
20	Australia	5	0.4%
21	Thailand	4	0.3%
22	Mauritius	3	0.2%
23	Bangladesh	3	0.2%
24	Cote D'ivoire	3	0.2%
25	Latvia	2	0.2%
26	India	2	0.2%
27	Poland	2	0.2%
28	Turkey	2	0.2%
29	Ukraine	2	0.2%
30	Taiwan	2	0.2%
31	Slovakia	1	0.1%
32	Philippines	1	0.1%
33	Mongolia	1	0.1%
34	Nigeria	1	0.1%
35	Denmark	1	0.1%
36	Ghana	1	0.1%
37	Bolivia, Plurinational State of	1	0.1%