Quarter	Average 1990 = 100
1975-03-31	76.68
1975-06-30	76.19
1975-09-30	74.67
1975-12-31	75.45
1976-03-31	76.64
1976-06-30	76.9
1976-09-30	80.76
1976-12-31	82.81
1977-03-31	82.27
1977-06-30	81.98
1977-09-30	82.65
1977-12-31	83.54
1978-03-31	85.82
1978-06-30	83.54
1978-09-30	83.71
1978-12-31	86.37
1979-03-31	86.25
1979-06-30	84.49
1979-09-30	85.64
1979-12-31	86.97
1980-03-31	84.44
1980-06-30	85.84
1980-09-30	85.65
1980-12-31	83.46
1981-03-31	81.91
1981-06-30	80.2
1981-09-30	82.1
1981-12-31	84.61
1982-03-31	84.6
1982-06-30	86.24
1982-09-30	87.29
1982-12-31	89.11
1983-03-31	89.24
1983-06-30	88.27
1983-09-30	88.19
1983-12-31	87.28
1984-03-31	88.49
1984-06-30	87.55
1984-09-30	86.36
1984-12-31	86.08
1985-03-31	86.53
1985-06-30	86.47
1985-09-30	88.61
1985-12-31	90.73
1986-03-31	91.25
1986-06-30	92.55
1986-09-30	95.55
1986-12-31	97.28
1987-03-31	97.85
1987-06-30	97.77
1987-09-30	97.48
1987-12-31	99.78
1988-03-31	98.48
1988-06-30	96.82
1988-09-30	96.43
1988-12-31	96.54
1989-03-31	95.7
1989-06-30	96.47
1989-09-30	96.82
1989-12-31	100.35
1990-03-31	100.11
1990-06-30	99.39
1990-09-30	99.81
1990-12-31	101.04
1991-03-31	98.66
1991-06-30	97.94
1991-09-30	99.28
1991-12-31	100.98
1992-03-31	99.97
1992-06-30	100.4
1992-09-30	104.89
1992-12-31	104.57
1993-03-31	105.42
1993-06-30	103
1993-09-30	106.09
1993-12-31	104.3
1994-03-31	104.15
1994-06-30	105.45
1994-09-30	105.83
1994-12-31	106.56
1995-03-31	111.19
1995-06-30	110.24
1995-09-30	109.33
1995-12-31	109.24
1996-03-31	108.32
1996-06-30	106.52
1996-09-30	106.33
1996-12-31	104.92
1997-03-31	103.46
1997-06-30	101.55
1997-09-30	101.56
1997-12-31	101.2
1998-03-31	100.49
1998-06-30	101.52
1998-09-30	103.47
1998-12-31	103.13
1999-03-31	101.22
1999-06-30	100.32
1999-09-30	100.05
1999-12-31	98.49
2000-03-31	97.34
2000-06-30	98.16
2000-09-30	96.43
2000-12-31	98.22
2001-03-31	97.87
2001-06-30	96.81
2001-09-30	98.06
2001-12-31	97.9