Quarter	Average 1990 = 100
1975-03-31	62.47
1975-06-30	62.54
1975-09-30	60.5
1975-12-31	60.66
1976-03-31	65.21
1976-06-30	65.2
1976-09-30	68.82
1976-12-31	70.56
1977-03-31	70.05
1977-06-30	71.16
1977-09-30	72.47
1977-12-31	75.2
1978-03-31	76.54
1978-06-30	74.23
1978-09-30	75.16
1978-12-31	78.37
1979-03-31	77.84
1979-06-30	78.32
1979-09-30	80.37
1979-12-31	81.22
1980-03-31	78.16
1980-06-30	79.67
1980-09-30	78.57
1980-12-31	76.22
1981-03-31	76.57
1981-06-30	74.75
1981-09-30	76.95
1981-12-31	78.34
1982-03-31	79.28
1982-06-30	81.03
1982-09-30	81.29
1982-12-31	84.25
1983-03-31	86.57
1983-06-30	84.91
1983-09-30	84.44
1983-12-31	83.99
1984-03-31	85.81
1984-06-30	84.71
1984-09-30	83.18
1984-12-31	82.95
1985-03-31	83.68
1985-06-30	83.66
1985-09-30	86.46
1985-12-31	88.9
1986-03-31	89.2
1986-06-30	90.64
1986-09-30	94.17
1986-12-31	96.45
1987-03-31	97.25
1987-06-30	97.04
1987-09-30	96.43
1987-12-31	99.11
1988-03-31	97.38
1988-06-30	96.21
1988-09-30	95.7
1988-12-31	95.97
1989-03-31	94.85
1989-06-30	95.52
1989-09-30	96.28
1989-12-31	100.76
1990-03-31	100.22
1990-06-30	99.16
1990-09-30	99.8
1990-12-31	101.53
1991-03-31	98.45
1991-06-30	97.4
1991-09-30	99.18
1991-12-31	101.33
1992-03-31	100.08
1992-06-30	100.81
1992-09-30	106.48
1992-12-31	105.93
1993-03-31	107.4
1993-06-30	103.51
1993-09-30	107.56
1993-12-31	105.14
1994-03-31	105.43
1994-06-30	106.77
1994-09-30	107.23
1994-12-31	108.31
1995-03-31	114.49
1995-06-30	113.14
1995-09-30	111.85
1995-12-31	111.5
1996-03-31	110.2
1996-06-30	108.22
1996-09-30	107.99
1996-12-31	107.07
1997-03-31	105.62
1997-06-30	103.1
1997-09-30	103.17
1997-12-31	103.13
1998-03-31	102.38
1998-06-30	103.73
1998-09-30	106.03
1998-12-31	105.06
1999-03-31	102.83
1999-06-30	101.79
1999-09-30	101.32
1999-12-31	99.42
2000-03-31	98.05
2000-06-30	98.85
2000-09-30	96.79
2000-12-31	98.95
2001-03-31	98.55
2001-06-30	97.38
2001-09-30	98.71
2001-12-31	98.69