Monthly Percent
1991-07-01 67.60
1991-08-01 66.84
1991-09-01 66.84
1991-10-01 72.36
1991-11-01 75.04
1991-12-01 68.44
1992-01-01 67.72
1992-02-01 67.64
1992-03-01 67.64
1992-04-01 68.44
1992-05-01 70.12
1992-06-01 74.32
1992-07-01 76.40
1992-08-01 75.40
1992-09-01 74.40
1992-10-01 74.40
1992-11-01 74.60
1992-12-01 74.76
1993-01-01 74.76
1993-02-01 69.64
1993-03-01 65.32
1993-04-01 65.92
1993-05-01 67.12
1993-06-01 66.84
1993-07-01 66.84
1993-08-01 65.76
1993-09-01 64.76
1993-10-01 63.04
1994-03-01 99.00
1994-05-01 160
1994-06-01 114.52
1994-07-01 98.76
1994-08-01 88.96
1994-09-01 87.37
1994-10-01 82.28
1994-11-01 94.08
1994-12-01 105.92
1995-01-01 108.07
1995-04-01 77.37
1995-05-01 80.94
1995-06-01 71.93
1995-07-01 66.98
1995-08-01 69.99
1995-10-01 92.24
1995-11-01 97.99
1995-12-01 128.99
1996-01-01 111.99
1996-03-01 103.62
1996-05-01 85.68
1996-07-01 95.58
1997-10-01 98.69
1997-12-01 102.83
1998-02-01 99.33
1998-03-01 89.14
1998-08-01 81.00
1999-07-01 75.06
1999-08-01 75.56
1999-10-01 73.08
1999-11-01 71.66
2000-01-01 34.07
2000-02-01 36.36
2000-04-01 33.30
2000-05-01 35.02
2000-07-01 28.72
2000-08-01 28.24
2000-10-01 35.77
2000-11-01 35.20
2001-01-01 47.99
2001-02-01 57.03
2001-03-01 124.99
2001-04-01 82.00
2001-05-01 69.48
2001-06-01 63.34
2001-07-01 70.78
2001-08-01 74.49
2001-10-01 62.43
2001-11-01 59.61
2001-12-01 57.42
2002-01-01 58.25
2002-02-01 55.92
2002-03-01 53.95
2002-04-01 44.49
2002-05-01 46.35
2002-06-01 56.50
2002-07-01 51.89
2002-08-01 48.99
2002-09-01 49.27
2002-10-01 46.68
2002-11-01 41.20
2002-12-01 39.28
2003-01-01 43.00
2003-02-01 40.60
2003-03-01 48.70
2003-04-01 39.96
2003-05-01 36.62
2003-06-01 34.71
2003-07-01 32.00
2003-08-01 30.60
2003-09-01 27.73
2003-10-01 23.80
2003-11-01 23.75
2003-12-01 23.50
2004-01-01 25.25
2004-02-01 23.30
2004-03-01 22.06
2004-04-01 21.57
2004-05-01 24.49
2004-06-01 22.90
2004-07-01 23.04
2004-08-01 22.55
2004-09-01 19.18
2004-10-01 19.59
2004-11-01 19.58
2004-12-01 19.87
2005-01-01 17.25
2005-02-01 16.31
2005-03-01 15.34
2005-04-01 14.87
2005-06-01 14.13
2005-07-01 14.37
2005-09-01 13.50
2005-10-01 13.78
2005-12-01 14.00
2006-03-01 13.56
2006-06-01 15.76
2006-07-01 20.86
2006-10-01 18.38
2006-12-01 18.78
2007-04-01 17.86
2007-07-01 16.12
2007-10-01 16.14
2008-01-01 15.38
2008-04-01 16.65