Rank	Countries/Territories	Count	Percent
1	United States	433	39.5%
2	China	419	38.3%
3	Germany	106	9.7%
4	France	17	1.6%
5	Russia	17	1.6%
6	Netherlands	14	1.3%
7	Hong Kong	13	1.2%
8	Singapore	12	1.1%
9	Norway	11	1%
10	Cyprus	10	0.9%
11	Australia	6	0.5%
12	Ireland	6	0.5%
13	Japan	6	0.5%
14	Korea, Republic of	6	0.5%
15	Portugal	4	0.4%
16	United Kingdom	3	0.3%
17	Latvia	2	0.2%
18	Bangladesh	2	0.2%
19	Canada	2	0.2%
20	Iran, Islamic Republic of	1	0.1%
21	Bulgaria	1	0.1%
22	Mongolia	1	0.1%
23	Spain	1	0.1%
24	Ukraine	1	0.1%
25	Oman	1	0.1%