Date	Rate
2006/4/25	1.515
2006/4/24	1.515
2006/4/21	1.516
2006/4/20	1.517
2006/4/19	1.514
2006/4/18	1.517
2006/4/17	1.519
2006/4/14	1.518
2006/4/13	1.513
2006/4/12	1.516
2006/4/11	1.515
2006/4/10	1.513
2006/4/7	1.516
2006/4/6	1.517
2006/4/4	1.518
2006/4/3	1.513
2006/3/31	1.513
2006/3/30	1.448
2006/3/29	1.448
2006/3/28	1.448