Quarter	Percent
1989-03-31	8.47
1989-06-30	8.86
1989-09-30	9.8
1989-12-31	10.89
1990-03-31	9.63
1990-06-30	9.75
1990-09-30	9.72
1990-12-31	9.84
1991-03-31	8.93
1991-06-30	9.57
1991-09-30	9.42
1991-12-31	10.26
1992-03-31	9.82
1992-06-30	10.18
1992-09-30	11.13
1992-12-31	10.13
1993-03-31	8.75
1993-06-30	7.07
1993-09-30	7.44
1993-12-31	6.16
1994-03-31	6.14
1994-06-30	5.71
1994-09-30	5.63
1994-12-31	6.07
1995-03-31	6.67
1995-06-30	6.06
1995-09-30	5.48
1995-12-31	4.99
1996-03-31	4.45
1996-06-30	4.32
1996-09-30	4.03
1996-12-31	3.95
1997-03-31	4.08
1997-06-30	4.03
1997-09-30	4.17
1997-12-31	4.2
1998-03-31	3.97
1998-06-30	4.02
1998-09-30	3.93
1998-12-31	2.96
1999-03-31	2.75
1999-06-30	2.42
1999-09-30	2.56
1999-12-31	3.15
2000-03-31	3.67
2000-06-30	4.37
2000-09-30	4.71
2000-12-31	4.73
2001-03-31	4.49
2001-06-30	4.33
2001-09-30	3.54
2001-12-31	3.2
2002-03-31	3.32
2002-06-30	3.34
2002-09-30	3.18
2002-12-31	2.77
2003-03-31	2.44
2003-06-30	2.08
2003-09-30	2.02
2003-12-31	2.04
2004-03-31	1.91
2004-06-30	2.02
2004-09-30	2.03
2004-12-31	2.06
2005-03-31	2.05
2005-06-30	2.03
2005-09-30	2.04
2005-12-31	2.35
2006-03-31	2.66
2006-06-30	2.89