Quarter Average 1990 = 100 1975-03-31 125.61 1975-06-30 130.86 1975-09-30 130.82 1975-12-31 131.34 1976-03-31 131.19 1976-06-30 130.26 1976-09-30 124.08 1976-12-31 120.65 1977-03-31 120.67 1977-06-30 120.66 1977-09-30 122.26 1977-12-31 120.58 1978-03-31 116.57 1978-06-30 120.93 1978-09-30 122.06 1978-12-31 119.59 1979-03-31 120.06 1979-06-30 118.35 1979-09-30 118.14 1979-12-31 120.32 1980-03-31 120.36 1980-06-30 120.16 1980-09-30 120.57 1980-12-31 118.18 1981-03-31 115.31 1981-06-30 112.65 1981-09-30 112.2 1981-12-31 109.89 1982-03-31 108.02 1982-06-30 106.62 1982-09-30 100.64 1982-12-31 101.24 1983-03-31 102.85 1983-06-30 97.78 1983-09-30 96.55 1983-12-31 95.74 1984-03-31 95.31 1984-06-30 95.5 1984-09-30 94.79 1984-12-31 94.42 1985-03-31 94.33 1985-06-30 95.11 1985-09-30 96.76 1985-12-31 98.97 1986-03-31 100.93 1986-06-30 97.84 1986-09-30 97.81 1986-12-31 99.25 1987-03-31 99.56 1987-06-30 98.91 1987-09-30 98.7 1987-12-31 98.46 1988-03-31 98.22 1988-06-30 97.26 1988-09-30 96.21 1988-12-31 95.78 1989-03-31 95.04 1989-06-30 95.48 1989-09-30 95.79 1989-12-31 97.45 1990-03-31 99.45 1990-06-30 99.92 1990-09-30 100.01 1990-12-31 100.65 1991-03-31 99.46 1991-06-30 97.76 1991-09-30 97.67 1991-12-31 98.48 1992-03-31 99.04 1992-06-30 99.98 1992-09-30 101.81 1992-12-31 105.1 1993-03-31 106.12 1993-06-30 106.13 1993-09-30 103.55 1993-12-31 104.38 1994-03-31 105.17 1994-06-30 105.15 1994-09-30 106.94 1994-12-31 106.96 1995-03-31 108.03 1995-06-30 109.04 1995-09-30 109.85 1995-12-31 110.03 1996-03-31 109.71 1996-06-30 109.21 1996-09-30 109.07 1996-12-31 108.33 1997-03-31 106.75 1997-06-30 105.79 1997-09-30 104.18 1997-12-31 105.59 1998-03-31 105.01 1998-06-30 105.71 1998-09-30 106.49 1998-12-31 107.27 1999-03-31 106.01 1999-06-30 104.72 1999-09-30 104.25 1999-12-31 103.41 2000-03-31 102.31 2000-06-30 101.3 2000-09-30 100.91 2000-12-31 100.15 2001-03-31 102.09 2001-06-30 101.12 2001-09-30 101.47 2001-12-31 101.59