Quarter	Average 1990 = 100
1975-03-31	77.91
1975-06-30	77.69
1975-09-30	77.05
1975-12-31	76.88
1976-03-31	77.73
1976-06-30	79.15
1976-09-30	80.15
1976-12-31	82.35
1977-03-31	82.65
1977-06-30	83.11
1977-09-30	83.96
1977-12-31	84.06
1978-03-31	84.58
1978-06-30	84.3
1978-09-30	83.23
1978-12-31	83.98
1979-03-31	84.48
1979-06-30	83.85
1979-09-30	85.03
1979-12-31	87.61
1980-03-31	87.94
1980-06-30	87.91
1980-09-30	88.37
1980-12-31	87.09
1981-03-31	86.27
1981-06-30	86.39
1981-09-30	86.7
1981-12-31	88.7
1982-03-31	88.56
1982-06-30	89.53
1982-09-30	90.11
1982-12-31	91.17
1983-03-31	92.19
1983-06-30	92.18
1983-09-30	91.6
1983-12-31	91.63
1984-03-31	91.75
1984-06-30	92.24
1984-09-30	91.89
1984-12-31	91.48
1985-03-31	91.44
1985-06-30	91.7
1985-09-30	92.57
1985-12-31	93.57
1986-03-31	94.94
1986-06-30	95.2
1986-09-30	96.11
1986-12-31	97.35
1987-03-31	98.66
1987-06-30	98.35
1987-09-30	98.26
1987-12-31	98.69
1988-03-31	98.79
1988-06-30	98.31
1988-09-30	97.78
1988-12-31	98.02
1989-03-31	97.46
1989-06-30	97.51
1989-09-30	97.56
1989-12-31	99.02
1990-03-31	100.12
1990-06-30	99.91
1990-09-30	99.69
1990-12-31	100.28
1991-03-31	100.27
1991-06-30	98.94
1991-09-30	99.18
1991-12-31	99.94
1992-03-31	100.17
1992-06-30	100.21
1992-09-30	101.45
1992-12-31	103.48
1993-03-31	104.36
1993-06-30	103.61
1993-09-30	103.68
1993-12-31	104.26
1994-03-31	103.25
1994-06-30	103.55
1994-09-30	104.53
1994-12-31	104.71
1995-03-31	106.51
1995-06-30	107.58
1995-09-30	106.78
1995-12-31	106.9
1996-03-31	106.16
1996-06-30	104.99
1996-09-30	105.16
1996-12-31	104.58
1997-03-31	103.86
1997-06-30	103.16
1997-09-30	102.05
1997-12-31	102.57
1998-03-31	102.35
1998-06-30	102.97
1998-09-30	103.5
1998-12-31	103.64
1999-03-31	102.85
1999-06-30	102.19
1999-09-30	101.8
1999-12-31	101.2
2000-03-31	100.64
2000-06-30	99.89
2000-09-30	99.63
2000-12-31	99.18
2001-03-31	100.48
2001-06-30	100
2001-09-30	100.16
2001-12-31	100.16