Rank	Countries/Territories	Count	Percent
1	United States	113	30.5%
2	China	58	15.7%
3	France	26	7%
4	Japan	23	6.2%
5	Germany	19	5.1%
6	Korea, Republic of	13	3.5%
7	Ireland	11	3%
8	Russia	10	2.7%
9	Australia	8	2.2%
10	Norway	7	1.9%
11	Taiwan	7	1.9%
12	Turkey	7	1.9%
13	Switzerland	6	1.6%
14	India	6	1.6%
15	Brazil	5	1.4%
16	Singapore	5	1.4%
17	Mexico	4	1.1%
18	Netherlands	4	1.1%
19	Spain	3	0.8%
20	Ukraine	3	0.8%
21	United Kingdom	3	0.8%
22	Slovakia	3	0.8%
23	Belgium	3	0.8%
24	Canada	3	0.8%
25	Argentina	2	0.5%
26	Bolivia, Plurinational State of	2	0.5%
27	Ethiopia	2	0.5%
28	Dominican Republic	2	0.5%
29	Thailand	2	0.5%
30	Viet Nam	2	0.5%
31	South Africa	1	0.3%
32	Morocco	1	0.3%
33	Malaysia	1	0.3%
34	Egypt	1	0.3%
35	Iraq	1	0.3%
36	Bulgaria	1	0.3%
37	Colombia	1	0.3%
38	Denmark	1	0.3%