Rank	Countries/Territories	Count	Percent
1	China	508	39.6%
2	United States	458	35.7%
3	Germany	115	9%
4	Netherlands	32	2.5%
5	Singapore	24	1.9%
6	India	21	1.6%
7	Japan	20	1.6%
8	Russia	11	0.9%
9	France	11	0.9%
10	Mongolia	9	0.7%
11	Korea, Republic of	8	0.6%
12	Cyprus	7	0.5%
13	Canada	6	0.5%
14	Latvia	6	0.5%
15	United Kingdom	6	0.5%
16	Italy	4	0.3%
17	Egypt	4	0.3%
18	Australia	3	0.2%
19	Ireland	3	0.2%
20	Taiwan	3	0.2%
21	Thailand	3	0.2%
22	Ukraine	2	0.2%
23	Saudi Arabia	2	0.2%
24	Pakistan	2	0.2%
25	Philippines	2	0.2%
26	Argentina	2	0.2%
27	Iran, Islamic Republic of	2	0.2%
28	Viet Nam	2	0.2%
29	Hong Kong	1	0.1%
30	Mexico	1	0.1%
31	Bangladesh	1	0.1%
32	Ethiopia	1	0.1%
33	Norway	1	0.1%
34	South Africa	1	0.1%
35	Switzerland	1	0.1%
36	Turkey	1	0.1%