Quarterly Average 1990 = 100
1975-03-31 77.91
1975-06-30 77.69
1975-09-30 77.05
1975-12-31 76.88
1976-03-31 77.73
1976-06-30 79.15
1976-09-30 80.15
1976-12-31 82.35
1977-03-31 82.65
1977-06-30 83.11
1977-09-30 83.96
1977-12-31 84.06
1978-03-31 84.58
1978-06-30 84.3
1978-09-30 83.23
1978-12-31 83.98
1979-03-31 84.48
1979-06-30 83.85
1979-09-30 85.03
1979-12-31 87.61
1980-03-31 87.94
1980-06-30 87.91
1980-09-30 88.37
1980-12-31 87.09
1981-03-31 86.27
1981-06-30 86.39
1981-09-30 86.7
1981-12-31 88.7
1982-03-31 88.56
1982-06-30 89.53
1982-09-30 90.11
1982-12-31 91.17
1983-03-31 92.19
1983-06-30 92.18
1983-09-30 91.6
1983-12-31 91.63
1984-03-31 91.75
1984-06-30 92.24
1984-09-30 91.89
1984-12-31 91.48
1985-03-31 91.44
1985-06-30 91.7
1985-09-30 92.57
1985-12-31 93.57
1986-03-31 94.94
1986-06-30 95.2
1986-09-30 96.11
1986-12-31 97.35
1987-03-31 98.66
1987-06-30 98.35
1987-09-30 98.26
1987-12-31 98.69
1988-03-31 98.79
1988-06-30 98.31
1988-09-30 97.78
1988-12-31 98.02
1989-03-31 97.46
1989-06-30 97.51
1989-09-30 97.56
1989-12-31 99.02
1990-03-31 100.12
1990-06-30 99.91
1990-09-30 99.69
1990-12-31 100.28
1991-03-31 100.27
1991-06-30 98.94
1991-09-30 99.18
1991-12-31 99.94
1992-03-31 100.17
1992-06-30 100.21
1992-09-30 101.45
1992-12-31 103.48
1993-03-31 104.36
1993-06-30 103.61
1993-09-30 103.68
1993-12-31 104.26
1994-03-31 103.25
1994-06-30 103.55
1994-09-30 104.53
1994-12-31 104.71
1995-03-31 106.51
1995-06-30 107.58
1995-09-30 106.78
1995-12-31 106.9
1996-03-31 106.16
1996-06-30 104.99
1996-09-30 105.16
1996-12-31 104.58
1997-03-31 103.86
1997-06-30 103.16
1997-09-30 102.05
1997-12-31 102.57
1998-03-31 102.35
1998-06-30 102.97
1998-09-30 103.5
1998-12-31 103.64
1999-03-31 102.85
1999-06-30 102.19
1999-09-30 101.8
1999-12-31 101.2
2000-03-31 100.64
2000-06-30 99.89
2000-09-30 99.63
2000-12-31 99.18
2001-03-31 100.48
2001-06-30 100
2001-09-30 100.16
2001-12-31 100.16