Quarter	Average 1990 = 100
1975-03-31	164.45
1975-06-30	164.7
1975-09-30	168.98
1975-12-31	169
1976-03-31	161.02
1976-06-30	157.38
1976-09-30	157.02
1976-12-31	155.99
1977-03-31	154.66
1977-06-30	153.72
1977-09-30	126.39
1977-12-31	123.83
1978-03-31	122.38
1978-06-30	122.55
1978-09-30	125.5
1978-12-31	129.44
1979-03-31	131.68
1979-06-30	139.35
1979-09-30	135.64
1979-12-31	134.5
1980-03-31	132.28
1980-06-30	127.01
1980-09-30	122.31
1980-12-31	121.22
1981-03-31	119.15
1981-06-30	120.27
1981-09-30	119.72
1981-12-31	117.22
1982-03-31	116.23
1982-06-30	114.78
1982-09-30	114.9
1982-12-31	110.15
1983-03-31	99.59
1983-06-30	96.96
1983-09-30	94.71
1983-12-31	93.81
1984-03-31	95.26
1984-06-30	96.92
1984-09-30	95.95
1984-12-31	96.96
1985-03-31	97.78
1985-06-30	96.14
1985-09-30	93.71
1985-12-31	90.86
1986-03-31	91.08
1986-06-30	90.89
1986-09-30	91.27
1986-12-31	89.97
1987-03-31	87.71
1987-06-30	87.74
1987-09-30	90.4
1987-12-31	92.52
1988-03-31	91.93
1988-06-30	92.99
1988-09-30	92.22
1988-12-31	93.62
1989-03-31	97.43
1989-06-30	96.7
1989-09-30	97.21
1989-12-31	97.31
1990-03-31	97.77
1990-06-30	100.67
1990-09-30	101.45
1990-12-31	100.15
1991-03-31	101.31
1991-06-30	100.43
1991-09-30	99.61
1991-12-31	99.54
1992-03-31	100.03
1992-06-30	100.21
1992-09-30	98.76
1992-12-31	92.56
1993-03-31	93.58
1993-06-30	88.3
1993-09-30	82.87
1993-12-31	82.57
1994-03-31	80.76
1994-06-30	80.97
1994-09-30	81.47
1994-12-31	81.03
1995-03-31	78.51
1995-06-30	80.36
1995-09-30	81.3
1995-12-31	81.51
1996-03-31	82.08
1996-06-30	81.16
1996-09-30	80.57
1996-12-31	79.81
1997-03-31	78.33
1997-06-30	77.7
1997-09-30	76.64
1997-12-31	77.04
1998-03-31	76.43
1998-06-30	76.76
1998-09-30	77.27
1998-12-31	77.63
1999-03-31	76.83
1999-06-30	76.04
1999-09-30	75.73
1999-12-31	75.15
2000-03-31	74.49
2000-06-30	73.89
2000-09-30	73.68
2000-12-31	73.24
2001-03-31	74.47
2001-06-30	73.88
2001-09-30	74.11
2001-12-31	74.21