Rank	Countries/Territories	Count	Percent
1	United States	470	32.6%
2	China	437	30.3%
3	Germany	160	11.1%
4	Latvia	49	3.4%
5	France	46	3.2%
6	India	31	2.2%
7	Japan	24	1.7%
8	Netherlands	21	1.5%
9	Turkey	21	1.5%
10	Nigeria	20	1.4%
11	Ireland	17	1.2%
12	Canada	11	0.8%
13	Lithuania	10	0.7%
14	Singapore	10	0.7%
15	Korea, Republic of	9	0.6%
16	Australia	8	0.6%
17	Cyprus	8	0.6%
18	Ethiopia	8	0.6%
19	Senegal	8	0.6%
20	United Kingdom	8	0.6%
21	Switzerland	6	0.4%
22	Indonesia	6	0.4%
23	Argentina	6	0.4%
24	Mauritius	6	0.4%
25	Lebanon	4	0.3%
26	Hong Kong	3	0.2%
27	Brazil	3	0.2%
28	Egypt	3	0.2%
29	Uganda	3	0.2%
30	Philippines	3	0.2%
31	South Africa	3	0.2%
32	Viet Nam	3	0.2%
33	Denmark	2	0.1%
34	Iran, Islamic Republic of	2	0.1%
35	Iraq	2	0.1%
36	Cote D'ivoire	2	0.1%
37	Bulgaria	1	0.1%
38	Bolivia, Plurinational State of	1	0.1%
39	Mongolia	1	0.1%
40	Morocco	1	0.1%
41	Myanmar	1	0.1%
42	Malawi	1	0.1%
43	Norway	1	0.1%