Quarter	Average 1990 = 100
1975-03-31	529.35
1975-06-30	528.65
1975-09-30	517.31
1975-12-31	515.69
1976-03-31	499.7
1976-06-30	473.09
1976-09-30	474.03
1976-12-31	465.1
1977-03-31	381.05
1977-06-30	380.02
1977-09-30	368.34
1977-12-31	352.96
1978-03-31	336.12
1978-06-30	303.26
1978-09-30	287.85
1978-12-31	274.06
1979-03-31	264.95
1979-06-30	256.98
1979-09-30	248.86
1979-12-31	243.23
1980-03-31	260.83
1980-06-30	251.75
1980-09-30	250.56
1980-12-31	250.54
1981-03-31	252.01
1981-06-30	253.92
1981-09-30	245.87
1981-12-31	242.27
1982-03-31	239.28
1982-06-30	211.69
1982-09-30	207.38
1982-12-31	200.72
1983-03-31	194.84
1983-06-30	168.4
1983-09-30	164.39
1983-12-31	158.79
1984-03-31	153.64
1984-06-30	147.6
1984-09-30	147.24
1984-12-31	142.29
1985-03-31	135.34
1985-06-30	134.03
1985-09-30	126.12
1985-12-31	125.29
1986-03-31	125.64
1986-06-30	121.54
1986-09-30	118.27
1986-12-31	115.49
1987-03-31	113.42
1987-06-30	111.64
1987-09-30	110.28
1987-12-31	105.74
1988-03-31	106.78
1988-06-30	106.22
1988-09-30	104.78
1988-12-31	104.27
1989-03-31	103.62
1989-06-30	102.85
1989-09-30	102
1989-12-31	100.75
1990-03-31	99.94
1990-06-30	99.47
1990-09-30	99.01
1990-12-31	99.51
1991-03-31	99.28
1991-06-30	100.01
1991-09-30	101.81
1991-12-31	101.21
1992-03-31	102.72
1992-06-30	106.25
1992-09-30	104.84
1992-12-31	103.46
1993-03-31	103.21
1993-06-30	98.71
1993-09-30	94.23
1993-12-31	93.7
1994-03-31	92.97
1994-06-30	93.65
1994-09-30	94.94
1994-12-31	95.19
1995-03-31	97.36
1995-06-30	96.01
1995-09-30	95.28
1995-12-31	95.42
1996-03-31	95.54
1996-06-30	94.56
1996-09-30	95.46
1996-12-31	95.35
1997-03-31	94.66
1997-06-30	92.95
1997-09-30	92.09
1997-12-31	91.49
1998-03-31	90.8
1998-06-30	91.62
1998-09-30	92.9
1998-12-31	92.95
1999-03-31	91.5
1999-06-30	90.87
1999-09-30	90.72
1999-12-31	89.67
2000-03-31	88.82
2000-06-30	89.47
2000-09-30	88.27
2000-12-31	89.53
2001-03-31	89.27
2001-06-30	88.61
2001-09-30	89.51
2001-12-31	89.27