Quarter	Average 1990 = 100
1975-03-31	197.24
1975-06-30	198.72
1975-09-30	200.07
1975-12-31	199.19
1976-03-31	163.51
1976-06-30	166.24
1976-09-30	160.36
1976-12-31	155.29
1977-03-31	154.17
1977-06-30	153.02
1977-09-30	153.98
1977-12-31	145.02
1978-03-31	144.37
1978-06-30	145.06
1978-09-30	141.97
1978-12-31	136.21
1979-03-31	137.19
1979-06-30	136.79
1979-09-30	137.12
1979-12-31	136.35
1980-03-31	133.58
1980-06-30	131.65
1980-09-30	130.23
1980-12-31	127.57
1981-03-31	120.89
1981-06-30	119.04
1981-09-30	119.35
1981-12-31	114.76
1982-03-31	112.6
1982-06-30	111.92
1982-09-30	111.94
1982-12-31	112.82
1983-03-31	111.57
1983-06-30	110.44
1983-09-30	107.58
1983-12-31	106.92
1984-03-31	105.94
1984-06-30	106.01
1984-09-30	103.44
1984-12-31	104.65
1985-03-31	100.73
1985-06-30	100.86
1985-09-30	97.35
1985-12-31	98.66
1986-03-31	99.4
1986-06-30	100.16
1986-09-30	102.73
1986-12-31	104.1
1987-03-31	102.3
1987-06-30	100.24
1987-09-30	100.11
1987-12-31	100.06
1988-03-31	98.36
1988-06-30	97
1988-09-30	96.27
1988-12-31	97.63
1989-03-31	97.2
1989-06-30	99.14
1989-09-30	98.72
1989-12-31	99.46
1990-03-31	100.81
1990-06-30	100.33
1990-09-30	98.8
1990-12-31	99.5
1991-03-31	98.41
1991-06-30	97.77
1991-09-30	98.62
1991-12-31	99.07
1992-03-31	98.42
1992-06-30	98.66
1992-09-30	87.71
1992-12-31	83.91
1993-03-31	77.2
1993-06-30	82.99
1993-09-30	79.21
1993-12-31	76.82
1994-03-31	78.88
1994-06-30	77.05
1994-09-30	76.38
1994-12-31	73.81
1995-03-31	64.22
1995-06-30	66.96
1995-09-30	69.48
1995-12-31	70.95
1996-03-31	73.49
1996-06-30	76.8
1996-09-30	77.48
1996-12-31	77.94
1997-03-31	75.93
1997-06-30	76.43
1997-09-30	76.32
1997-12-31	75.67
1998-03-31	75.03
1998-06-30	75.81
1998-09-30	76.89
1998-12-31	76.36
1999-03-31	75.04
1999-06-30	74.4
1999-09-30	74.25
1999-12-31	73.17
2000-03-31	72.37
2000-06-30	72.82
2000-09-30	71.58
2000-12-31	72.8
2001-03-31	72.48
2001-06-30	71.78
2001-09-30	72.59
2001-12-31	72.52