Rank	Countries/Territories	Count	Percent
1	United States	339	37%
2	China	273	29.8%
3	Germany	130	14.2%
4	Japan	23	2.5%
5	Netherlands	19	2.1%
6	Russia	15	1.6%
7	India	13	1.4%
8	Korea, Republic of	11	1.2%
9	Singapore	10	1.1%
10	France	10	1.1%
11	Denmark	8	0.9%
12	Saudi Arabia	7	0.8%
13	Ireland	5	0.5%
14	Australia	4	0.4%
15	Bulgaria	4	0.4%
16	Romania	4	0.4%
17	South Africa	3	0.3%
18	Thailand	3	0.3%
19	Poland	3	0.3%
20	Canada	3	0.3%
21	Bolivia, Plurinational State of	3	0.3%
22	Cyprus	3	0.3%
23	Israel	3	0.3%
24	Lithuania	3	0.3%
25	Hong Kong	2	0.2%
26	Slovakia	2	0.2%
27	Sweden	2	0.2%
28	United Kingdom	2	0.2%
29	Taiwan	1	0.1%
30	Turkey	1	0.1%
31	Ukraine	1	0.1%
32	United Arab Emirates	1	0.1%
33	Philippines	1	0.1%
34	Kenya	1	0.1%
35	Argentina	1	0.1%
36	Viet Nam	1	0.1%