Quarter	Average 1990 = 100
1975-03-31	527.89
1975-06-30	525.74
1975-09-30	521.35
1975-12-31	520.08
1976-03-31	515.18
1976-06-30	489.9
1976-09-30	476.61
1976-12-31	470.91
1977-03-31	429.1
1977-06-30	380.16
1977-09-30	380.8
1977-12-31	361.54
1978-03-31	347.11
1978-06-30	318.38
1978-09-30	295.27
1978-12-31	280.92
1979-03-31	270.32
1979-06-30	261.48
1979-09-30	254.08
1979-12-31	247.58
1980-03-31	251.34
1980-06-30	254.55
1980-09-30	250.68
1980-12-31	251.03
1981-03-31	252.63
1981-06-30	253.42
1981-09-30	250.92
1981-12-31	244.46
1982-03-31	240.44
1982-06-30	231.82
1982-09-30	209.54
1982-12-31	203.96
1983-03-31	197.77
1983-06-30	190.63
1983-09-30	166.74
1983-12-31	162.15
1984-03-31	156.3
1984-06-30	151.93
1984-09-30	147.53
1984-12-31	143.34
1985-03-31	139.56
1985-06-30	135.41
1985-09-30	131.31
1985-12-31	127.05
1986-03-31	125.41
1986-06-30	123.43
1986-09-30	119.86
1986-12-31	116.98
1987-03-31	114.46
1987-06-30	112.8
1987-09-30	111.22
1987-12-31	108.87
1988-03-31	107.31
1988-06-30	106.47
1988-09-30	105.59
1988-12-31	104.55
1989-03-31	103.89
1989-06-30	103.11
1989-09-30	102.33
1989-12-31	101.4
1990-03-31	100.49
1990-06-30	99.84
1990-09-30	99.29
1990-12-31	100.39
1991-03-31	100.45
1991-06-30	99.94
1991-09-30	101.66
1991-12-31	101.37
1992-03-31	102.63
1992-06-30	105.19
1992-09-30	104.52
1992-12-31	104.96
1993-03-31	103.66
1993-06-30	100.33
1993-09-30	95.05
1993-12-31	93.86
1994-03-31	93.6
1994-06-30	92.94
1994-09-30	95.02
1994-12-31	95.1
1995-03-31	96.12
1995-06-30	96.15
1995-09-30	95.86
1995-12-31	95.35
1996-03-31	95.44
1996-06-30	94.89
1996-09-30	95.4
1996-12-31	95.62
1997-03-31	94.99
1997-06-30	93.93
1997-09-30	92.14
1997-12-31	91.86
1998-03-31	91.27
1998-06-30	91.63
1998-09-30	92.27
1998-12-31	92.93
1999-03-31	92.1
1999-06-30	91.17
1999-09-30	90.86
1999-12-31	90.28
2000-03-31	89.49
2000-06-30	88.87
2000-09-30	88.7
2000-12-31	88.25
2001-03-31	89.62
2001-06-30	88.99
2001-09-30	89.28
2001-12-31	89.37