Date	Rate
2002/5/23	2.153
2002/5/22	2.152
2002/5/21	2.166
2002/5/20	2.236
2002/5/17	2.258
2002/5/16	2.273
2002/5/15	2.256
2002/5/14	2.245
2002/5/13	2.204
2002/5/10	2.202
2002/5/9	2.203
2002/5/8	2.199
2002/5/7	2.195
2002/5/6	2.207
2002/5/3	2.256
2002/5/2	2.269