Rank	Countries/Territories	Count	Percent
1	United States	443	37.3%
2	China	374	31.5%
3	Germany	81	6.8%
4	France	61	5.1%
5		39	3.3%
6	Canada	23	1.9%
7	Netherlands	23	1.9%
8	Romania	19	1.6%
9	Japan	18	1.5%
10	India	14	1.2%
11	Brazil	13	1.1%
12	Cyprus	7	0.6%
13	Norway	7	0.6%
14	Russia	5	0.4%
15	Singapore	5	0.4%
16	Spain	5	0.4%
17	Australia	5	0.4%
18	Italy	5	0.4%
19	Ukraine	4	0.3%
20	New Zealand	4	0.3%
21	Ireland	3	0.3%
22	Malaysia	3	0.3%
23	Switzerland	3	0.3%
24	Hong Kong	3	0.3%
25	Kazakhstan	2	0.2%
26	Latvia	2	0.2%
27	Bolivia, Plurinational State of	2	0.2%
28	Pakistan	2	0.2%
29	Portugal	2	0.2%
30	United Kingdom	2	0.2%
31	Turkmenistan	2	0.2%
32	Mongolia	1	0.1%
33	Taiwan	1	0.1%
34	Thailand	1	0.1%
35	Turkey	1	0.1%
36	Slovakia	1	0.1%
37	Argentina	1	0.1%
38	Lithuania	1	0.1%
39	Iran, Islamic Republic of	1	0.1%