Quarter Percent 1996-03-31 6.02 1996-06-30 5.88 1996-09-30 5.72 1996-12-31 5.87 1997-03-31 5.95 1997-06-30 6.14 1997-09-30 6.8 1997-12-31 7.1 1998-03-31 7.21 1998-06-30 7.2 1998-09-30 7.33 1998-12-31 6.7 1999-03-31 5.51 1999-06-30 5.04 1999-09-30 4.9 1999-12-31 5.2