0.0000333 is the rate in effect prior to December 28, 2001
0.0000150 is the rate effective December 28, 2001
0.0000301 is the rate effective April 1, 2002
0.0000252 is the rate effective March 22, 2003
0.0000468 is the rate effective April 1, 2003
0.0000390 is the rate effective February...