Rank	Countries/Territories	Count	Percent
1	United States	282	42.2%
2	China	228	34.1%
3	Germany	52	7.8%
4	Japan	17	2.5%
5	Netherlands	12	1.8%
6	Algeria	11	1.6%
7	Canada	9	1.3%
8	France	8	1.2%
9	Ukraine	7	1%
10	Cyprus	6	0.9%
11	Ireland	6	0.9%
12	Latvia	5	0.7%
13	Singapore	3	0.4%
14	South Africa	3	0.4%
15	Egypt	3	0.4%
16	Argentina	3	0.4%
17	Australia	3	0.4%
18	India	3	0.4%
19	Lithuania	2	0.3%
20	Mongolia	2	0.3%
21	United Kingdom	2	0.3%
22	Italy	1	0.1%