Rank	Countries/Territories	Count	Percent
1	United States	460	39%
2	China	295	25%
3	Germany	165	14%
4	France	57	4.8%
5	Japan	48	4.1%
6	Netherlands	27	2.3%
7	Australia	20	1.7%
8	Singapore	17	1.4%
9	Argentina	11	0.9%
10	Ukraine	10	0.8%
11	Canada	9	0.8%
12	United Kingdom	6	0.5%
13	Italy	5	0.4%
14	Brazil	5	0.4%
15	Cyprus	5	0.4%
16	India	4	0.3%
17	Iran, Islamic Republic of	4	0.3%
18	Ireland	3	0.3%
19	Indonesia	3	0.3%
20	Egypt	3	0.3%
21	Ethiopia	3	0.3%
22	South Africa	3	0.3%
23	Latvia	3	0.3%
24	Lithuania	2	0.2%
25	New Zealand	2	0.2%
26	Slovenia	2	0.2%
27	Uzbekistan	1	0.1%
28	Norway	1	0.1%
29	Peru	1	0.1%
30	Saudi Arabia	1	0.1%
31	Mongolia	1	0.1%
32	Bangladesh	1	0.1%
33	Hong Kong	1	0.1%