Rank	Countries/Territories	Count	Percent
1	United States	388	41.1%
2	China	305	32.3%
3	Germany	90	9.5%
4	Canada	25	2.6%
5	Bolivia, Plurinational State of	17	1.8%
6	Japan	15	1.6%
7	France	12	1.3%
8	Korea, Republic of	11	1.2%
9	India	10	1.1%
10	Singapore	10	1.1%
11	Netherlands	8	0.8%
12	Australia	8	0.8%
13	Iran, Islamic Republic of	5	0.5%
14	Russia	5	0.5%
15	Poland	3	0.3%
16	United Kingdom	3	0.3%
17	Ireland	3	0.3%
18	Argentina	3	0.3%
19	Cyprus	3	0.3%
20	Belgium	2	0.2%
21	Hong Kong	2	0.2%
22	Switzerland	2	0.2%
23	Taiwan	2	0.2%
24	Romania	2	0.2%
25	Philippines	2	0.2%
26	Spain	1	0.1%
27	Sweden	1	0.1%
28	Oman	1	0.1%
29	Peru	1	0.1%
30	Turkey	1	0.1%
31	Malaysia	1	0.1%
32	Bangladesh	1	0.1%
33	Brazil	1	0.1%