Quarterly Average 1990 = 100
1975-03-31 135.09
1975-06-30 131.86
1975-09-30 128.68
1975-12-31 126.42
1976-03-31 125.57
1976-06-30 118.45
1976-09-30 116.54
1976-12-31 110.06
1977-03-31 112.91
1977-06-30 112.75
1977-09-30 113.15
1977-12-31 115.05
1978-03-31 116.84
1978-06-30 112.33
1978-09-30 113.33
1978-12-31 112.78
1979-03-31 114.11
1979-06-30 113.63
1979-09-30 113.03
1979-12-31 115.31
1980-03-31 113.56
1980-06-30 112.33
1980-09-30 112.75
1980-12-31 107.52
1981-03-31 102.59
1981-06-30 100.94
1981-09-30 101.61
1981-12-31 103.46
1982-03-31 101.4
1982-06-30 101.35
1982-09-30 100.63
1982-12-31 100.9
1983-03-31 103.07
1983-06-30 97.46
1983-09-30 95.15
1983-12-31 94.18
1984-03-31 93.84
1984-06-30 94.04
1984-09-30 93.48
1984-12-31 93.84
1985-03-31 93.96
1985-06-30 93.55
1985-09-30 94.39
1985-12-31 96.68
1986-03-31 99.52
1986-06-30 100.47
1986-09-30 98.09
1986-12-31 97.65
1987-03-31 97.94
1987-06-30 96.76
1987-09-30 96.49
1987-12-31 97.17
1988-03-31 96.97
1988-06-30 95.54
1988-09-30 94.32
1988-12-31 94.56
1989-03-31 93.02
1989-06-30 93.37
1989-09-30 94.13
1989-12-31 96.92
1990-03-31 99.55
1990-06-30 100.49
1990-09-30 99.46
1990-12-31 100.53
1991-03-31 100.04
1991-06-30 97.51
1991-09-30 97.74
1991-12-31 99.41
1992-03-31 99.62
1992-06-30 99.27
1992-09-30 102.15
1992-12-31 105.91
1993-03-31 100.52
1993-06-30 96.86
1993-09-30 93.57
1993-12-31 94.77
1994-03-31 96.06
1994-06-30 96.52
1994-09-30 96.85
1994-12-31 97.61
1995-03-31 96.91
1995-06-30 97.16
1995-09-30 97.7
1995-12-31 97.41
1996-03-31 97.75
1996-06-30 98.66
1996-09-30 99.7
1996-12-31 101.27
1997-03-31 102.66
1997-06-30 99.65
1997-09-30 99.02
1997-12-31 97.14
1998-03-31 92.63
1998-06-30 94.14
1998-09-30 94.96
1998-12-31 95.92
1999-03-31 93.92
1999-06-30 91.7
1999-09-30 91.13
1999-12-31 89.76
2000-03-31 87.93
2000-06-30 86.75
2000-09-30 86.38
2000-12-31 85.25
2001-03-31 88.16
2001-06-30 86.6
2001-09-30 87.16
2001-12-31 87.38