Quarter	Average 1990 = 100
1975-03-31	510
1975-06-30	510.65
1975-09-30	500.55
1975-12-31	479.19
1976-03-31	484.87
1976-06-30	486.5
1976-09-30	481.28
1976-12-31	472.26
1977-03-31	470.99
1977-06-30	470.6
1977-09-30	472.73
1977-12-31	468.52
1978-03-31	445.07
1978-06-30	431.95
1978-09-30	420.44
1978-12-31	407.95
1979-03-31	407.58
1979-06-30	406.42
1979-09-30	396.36
1979-12-31	385.25
1980-03-31	369.56
1980-06-30	343.14
1980-09-30	334.15
1980-12-31	337.75
1981-03-31	330.11
1981-06-30	323.9
1981-09-30	323.3
1981-12-31	325.04
1982-03-31	318.12
1982-06-30	306.82
1982-09-30	297.66
1982-12-31	297.56
1983-03-31	252.63
1983-06-30	256.98
1983-09-30	256.08
1983-12-31	241.64
1984-03-31	228.64
1984-06-30	228.29
1984-09-30	237.49
1984-12-31	209.7
1985-03-31	207.73
1985-06-30	196.46
1985-09-30	187.84
1985-12-31	154.54
1986-03-31	147.56
1986-06-30	145.4
1986-09-30	142.64
1986-12-31	138.11
1987-03-31	131.52
1987-06-30	129.01
1987-09-30	126.36
1987-12-31	123.44
1988-03-31	120.93
1988-06-30	119.87
1988-09-30	118.41
1988-12-31	115.74
1989-03-31	113.32
1989-06-30	110.86
1989-09-30	109.71
1989-12-31	107.19
1990-03-31	104.05
1990-06-30	100.09
1990-09-30	99.46
1990-12-31	96.42
1991-03-31	92.12
1991-06-30	88.73
1991-09-30	87.96
1991-12-31	86.66
1992-03-31	84.94
1992-06-30	82.43
1992-09-30	80.65
1992-12-31	79.21
1993-03-31	77.9
1993-06-30	76.27
1993-09-30	74.37
1993-12-31	73.05
1994-03-31	71.86
1994-06-30	70.22
1994-09-30	69.95
1994-12-31	69.14
1995-03-31	69.01
1995-06-30	68.75
1995-09-30	68.11
1995-12-31	66.92
1996-03-31	66.22
1996-06-30	67.2
1996-09-30	67.42
1996-12-31	67.23
1997-03-31	66.66
1997-06-30	65.39
1997-09-30	65.11
1997-12-31	65.51
1998-03-31	63.74
1998-06-30	60.04
1998-09-30	61.58
1998-12-31	61.66
1999-03-31	62.69
1999-06-30	61.69
1999-09-30	61.15
1999-12-31	60.13
2000-03-31	58.98
2000-06-30	57.91
2000-09-30	57.51
2000-12-31	56.77
2001-03-31	57.6
2001-06-30	57.19
2001-09-30	57.37
2001-12-31	57.44