Rank	Countries/Territories	Count	Percent
1	United States	409	40%
2	China	326	31.9%
3	Germany	100	9.8%
4	Japan	27	2.6%
5	France	26	2.5%
6		19	1.9%
7	Australia	14	1.4%
8	Latvia	9	0.9%
9	Netherlands	9	0.9%
10	Singapore	9	0.9%
11	United Kingdom	9	0.9%
12	Ukraine	7	0.7%
13	Thailand	5	0.5%
14	Burkina Faso	5	0.5%
15	Cyprus	5	0.5%
16	Hong Kong	4	0.4%
17	Egypt	3	0.3%
18	Russia	3	0.3%
19	Taiwan	3	0.3%
20	South Africa	3	0.3%
21	Mauritius	3	0.3%
22	Morocco	2	0.2%
23	Spain	2	0.2%
24	Sweden	2	0.2%
25	Switzerland	2	0.2%
26	Iran, Islamic Republic of	2	0.2%
27	Italy	2	0.2%
28	Canada	2	0.2%
29	Brazil	2	0.2%
30	Bulgaria	2	0.2%
31	Chile	1	0.1%
32	Bolivia, Plurinational State of	1	0.1%
33	Argentina	1	0.1%
34	Ecuador	1	0.1%
35	New Zealand	1	0.1%
36	Philippines	1	0.1%
37	Romania	1	0.1%