Rank	Countries/Territories	Count	Percent
1	United States	526	42.3%
2	China	306	24.6%
3	Germany	129	10.4%
4	Japan	87	7%
5	France	34	2.7%
6	Netherlands	30	2.4%
7	Singapore	20	1.6%
8	India	15	1.2%
9	Russia	10	0.8%
10	Bulgaria	9	0.7%
11	Australia	8	0.6%
12	Iran, Islamic Republic of	8	0.6%
13	Cyprus	8	0.6%
14	Canada	7	0.6%
15	Hong Kong	6	0.5%
16	United Kingdom	6	0.5%
17	Turkey	6	0.5%
18	Argentina	5	0.4%
19	Norway	4	0.3%
20	Spain	3	0.2%
21	Thailand	2	0.2%
22	Lithuania	2	0.2%
23	Malaysia	2	0.2%
24	Ukraine	2	0.2%
25	Bolivia, Plurinational State of	2	0.2%
26	Cote D'ivoire	2	0.2%
27		1	0.1%
28	Iraq	1	0.1%
29	Latvia	1	0.1%
30	South Africa	1	0.1%