Quarter	Average 1990 = 100
1975-03-31	96.59
1975-06-30	95.53
1975-09-30	92.6
1975-12-31	92.95
1976-03-31	96.46
1976-06-30	96.42
1976-09-30	100.67
1976-12-31	104.11
1977-03-31	102.8
1977-06-30	103.42
1977-09-30	104.23
1977-12-31	106.46
1978-03-31	108.09
1978-06-30	104.62
1978-09-30	106.1
1978-12-31	108.47
1979-03-31	107.79
1979-06-30	106.83
1979-09-30	107.7
1979-12-31	107.98
1980-03-31	106.3
1980-06-30	108.06
1980-09-30	106.87
1980-12-31	104.3
1981-03-31	102.44
1981-06-30	101.15
1981-09-30	103.28
1981-12-31	100.26
1982-03-31	91.39
1982-06-30	91.99
1982-09-30	90.64
1982-12-31	91.73
1983-03-31	93.37
1983-06-30	91.1
1983-09-30	89.65
1983-12-31	88.78
1984-03-31	89.94
1984-06-30	89.7
1984-09-30	89.05
1984-12-31	90.01
1985-03-31	90.05
1985-06-30	89.65
1985-09-30	91.01
1985-12-31	91.98
1986-03-31	92.49
1986-06-30	94.09
1986-09-30	95.67
1986-12-31	96.91
1987-03-31	98.03
1987-06-30	97.61
1987-09-30	97.1
1987-12-31	98.3
1988-03-31	97.13
1988-06-30	96.05
1988-09-30	95.69
1988-12-31	95.83
1989-03-31	95.36
1989-06-30	95.72
1989-09-30	95.87
1989-12-31	98.84
1990-03-31	100
1990-06-30	100.01
1990-09-30	100.22
1990-12-31	101.18
1991-03-31	99.38
1991-06-30	98.72
1991-09-30	99.93
1991-12-31	101.38
1992-03-31	100.54
1992-06-30	100.95
1992-09-30	105
1992-12-31	105.02
1993-03-31	105.5
1993-06-30	103.25
1993-09-30	100.96
1993-12-31	102.97
1994-03-31	104.47
1994-06-30	105.53
1994-09-30	105.8
1994-12-31	106.8
1995-03-31	111.17
1995-06-30	110.35
1995-09-30	109.25
1995-12-31	109.07
1996-03-31	108.15
1996-06-30	106.46
1996-09-30	106.25
1996-12-31	105.05
1997-03-31	103.78
1997-06-30	102.13
1997-09-30	102.17
1997-12-31	101.99
1998-03-31	101.31
1998-06-30	102.24
1998-09-30	103.9
1998-12-31	103.55
1999-03-31	101.92
1999-06-30	101.14
1999-09-30	100.9
1999-12-31	99.56
2000-03-31	98.57
2000-06-30	99.27
2000-09-30	97.74
2000-12-31	99.27
2001-03-31	98.91
2001-06-30	98.05
2001-09-30	99.09
2001-12-31	98.97