Rank	Countries/Territories	Count	Percent
1	United States	397	41.9%
2	China	247	26.1%
3	Germany	103	10.9%
4	France	35	3.7%
5	Japan	33	3.5%
6	Canada	22	2.3%
7	Russia	12	1.3%
8	Ukraine	12	1.3%
9	Netherlands	8	0.8%
10	Norway	7	0.7%
11	United Kingdom	7	0.7%
12	Spain	6	0.6%
13	Singapore	6	0.6%
14	Ethiopia	5	0.5%
15	India	4	0.4%
16	Cyprus	4	0.4%
17	Italy	4	0.4%
18	Viet Nam	4	0.4%
19	Turkey	3	0.3%
20	Peru	3	0.3%
21	Ireland	2	0.2%
22	Slovakia	2	0.2%
23	South Africa	2	0.2%
24	Czech Republic	2	0.2%
25	Costa Rica	2	0.2%
26	Australia	2	0.2%
27	Azerbaijan	2	0.2%
28	Hungary	2	0.2%
29	Iran, Islamic Republic of	1	0.1%
30	Georgia	1	0.1%
31	Belgium	1	0.1%
32	Bosnia and Herzegovina	1	0.1%
33	Austria	1	0.1%
34	Sweden	1	0.1%
35	Switzerland	1	0.1%
36	Korea, Republic of	1	0.1%
37	Malaysia	1	0.1%
38	Nigeria	1	0.1%