Rank	Countries/Territories	Count	Percent
1	United States	418	41.3%
2	China	311	30.8%
3	Germany	96	9.5%
4	Canada	33	3.3%
5	Japan	25	2.5%
6	Russia	25	2.5%
7	Korea, Republic of	19	1.9%
8	Australia	13	1.3%
9	France	12	1.2%
10	Cyprus	9	0.9%
11	Singapore	9	0.9%
12	India	8	0.8%
13	Portugal	5	0.5%
14	Spain	3	0.3%
15	Ethiopia	3	0.3%
16	Belgium	2	0.2%
17	Iran, Islamic Republic of	2	0.2%
18	Ireland	2	0.2%
19	Italy	2	0.2%
20	Malaysia	2	0.2%
21	Thailand	2	0.2%
22	United Kingdom	2	0.2%
23	Netherlands	2	0.2%
24	Philippines	2	0.2%
25	Romania	1	0.1%
26	Mongolia	1	0.1%
27	Argentina	1	0.1%
28	Georgia	1	0.1%