Quarterly Average 1990 = 100
1975-03-31 125.61
1975-06-30 130.86
1975-09-30 130.82
1975-12-31 131.34
1976-03-31 131.19
1976-06-30 130.26
1976-09-30 124.08
1976-12-31 120.65
1977-03-31 120.67
1977-06-30 120.66
1977-09-30 122.26
1977-12-31 120.58
1978-03-31 116.57
1978-06-30 120.93
1978-09-30 122.06
1978-12-31 119.59
1979-03-31 120.06
1979-06-30 118.35
1979-09-30 118.14
1979-12-31 120.32
1980-03-31 120.36
1980-06-30 120.16
1980-09-30 120.57
1980-12-31 118.18
1981-03-31 115.31
1981-06-30 112.65
1981-09-30 112.2
1981-12-31 109.89
1982-03-31 108.02
1982-06-30 106.62
1982-09-30 100.64
1982-12-31 101.24
1983-03-31 102.85
1983-06-30 97.78
1983-09-30 96.55
1983-12-31 95.74
1984-03-31 95.31
1984-06-30 95.5
1984-09-30 94.79
1984-12-31 94.42
1985-03-31 94.33
1985-06-30 95.11
1985-09-30 96.76
1985-12-31 98.97
1986-03-31 100.93
1986-06-30 97.84
1986-09-30 97.81
1986-12-31 99.25
1987-03-31 99.56
1987-06-30 98.91
1987-09-30 98.7
1987-12-31 98.46
1988-03-31 98.22
1988-06-30 97.26
1988-09-30 96.21
1988-12-31 95.78
1989-03-31 95.04
1989-06-30 95.48
1989-09-30 95.79
1989-12-31 97.45
1990-03-31 99.45
1990-06-30 99.92
1990-09-30 100.01
1990-12-31 100.65
1991-03-31 99.46
1991-06-30 97.76
1991-09-30 97.67
1991-12-31 98.48
1992-03-31 99.04
1992-06-30 99.98
1992-09-30 101.81
1992-12-31 105.1
1993-03-31 106.12
1993-06-30 106.13
1993-09-30 103.55
1993-12-31 104.38
1994-03-31 105.17
1994-06-30 105.15
1994-09-30 106.94
1994-12-31 106.96
1995-03-31 108.03
1995-06-30 109.04
1995-09-30 109.85
1995-12-31 110.03
1996-03-31 109.71
1996-06-30 109.21
1996-09-30 109.07
1996-12-31 108.33
1997-03-31 106.75
1997-06-30 105.79
1997-09-30 104.18
1997-12-31 105.59
1998-03-31 105.01
1998-06-30 105.71
1998-09-30 106.49
1998-12-31 107.27
1999-03-31 106.01
1999-06-30 104.72
1999-09-30 104.25
1999-12-31 103.41
2000-03-31 102.31
2000-06-30 101.3
2000-09-30 100.91
2000-12-31 100.15
2001-03-31 102.09
2001-06-30 101.12
2001-09-30 101.47
2001-12-31 101.59