Quarter	Average 1990 = 100
1975-03-31	135.09
1975-06-30	131.86
1975-09-30	128.68
1975-12-31	126.42
1976-03-31	125.57
1976-06-30	118.45
1976-09-30	116.54
1976-12-31	110.06
1977-03-31	112.91
1977-06-30	112.75
1977-09-30	113.15
1977-12-31	115.05
1978-03-31	116.84
1978-06-30	112.33
1978-09-30	113.33
1978-12-31	112.78
1979-03-31	114.11
1979-06-30	113.63
1979-09-30	113.03
1979-12-31	115.31
1980-03-31	113.56
1980-06-30	112.33
1980-09-30	112.75
1980-12-31	107.52
1981-03-31	102.59
1981-06-30	100.94
1981-09-30	101.61
1981-12-31	103.46
1982-03-31	101.4
1982-06-30	101.35
1982-09-30	100.63
1982-12-31	100.9
1983-03-31	103.07
1983-06-30	97.46
1983-09-30	95.15
1983-12-31	94.18
1984-03-31	93.84
1984-06-30	94.04
1984-09-30	93.48
1984-12-31	93.84
1985-03-31	93.96
1985-06-30	93.55
1985-09-30	94.39
1985-12-31	96.68
1986-03-31	99.52
1986-06-30	100.47
1986-09-30	98.09
1986-12-31	97.65
1987-03-31	97.94
1987-06-30	96.76
1987-09-30	96.49
1987-12-31	97.17
1988-03-31	96.97
1988-06-30	95.54
1988-09-30	94.32
1988-12-31	94.56
1989-03-31	93.02
1989-06-30	93.37
1989-09-30	94.13
1989-12-31	96.92
1990-03-31	99.55
1990-06-30	100.49
1990-09-30	99.46
1990-12-31	100.53
1991-03-31	100.04
1991-06-30	97.51
1991-09-30	97.74
1991-12-31	99.41
1992-03-31	99.62
1992-06-30	99.27
1992-09-30	102.15
1992-12-31	105.91
1993-03-31	100.52
1993-06-30	96.86
1993-09-30	93.57
1993-12-31	94.77
1994-03-31	96.06
1994-06-30	96.52
1994-09-30	96.85
1994-12-31	97.61
1995-03-31	96.91
1995-06-30	97.16
1995-09-30	97.7
1995-12-31	97.41
1996-03-31	97.75
1996-06-30	98.66
1996-09-30	99.7
1996-12-31	101.27
1997-03-31	102.66
1997-06-30	99.65
1997-09-30	99.02
1997-12-31	97.14
1998-03-31	92.63
1998-06-30	94.14
1998-09-30	94.96
1998-12-31	95.92
1999-03-31	93.92
1999-06-30	91.7
1999-09-30	91.13
1999-12-31	89.76
2000-03-31	87.93
2000-06-30	86.75
2000-09-30	86.38
2000-12-31	85.25
2001-03-31	88.16
2001-06-30	86.6
2001-09-30	87.16
2001-12-31	87.38