Quarter Average 1990 = 100 1975-03-31 136.06 1975-06-30 131.55 1975-09-30 127.26 1975-12-31 124.15 1976-03-31 123.04 1976-06-30 113.37 1976-09-30 110.79 1976-12-31 102.08 1977-03-31 105.94 1977-06-30 105.79 1977-09-30 106.41 1977-12-31 108.94 1978-03-31 111.21 1978-06-30 105.27 1978-09-30 106.5 1978-12-31 105.7 1979-03-31 107.52 1979-06-30 113.06 1979-09-30 118.21 1979-12-31 113.55 1980-03-31 119.16 1980-06-30 122.07 1980-09-30 125.06 1980-12-31 131.29 1981-03-31 135.79 1981-06-30 131.77 1981-09-30 123.01 1981-12-31 120.9 1982-03-31 123.54 1982-06-30 122.72 1982-09-30 124.78 1982-12-31 121.96 1983-03-31 110.51 1983-06-30 116.51 1983-09-30 118.5 1983-12-31 116.85 1984-03-31 115.09 1984-06-30 112.41 1984-09-30 110.79 1984-12-31 107.45 1985-03-31 103.66 1985-06-30 112.6 1985-09-30 116.34 1985-12-31 112.63 1986-03-31 105.19 1986-06-30 106.49 1986-09-30 100 1986-12-31 94.12 1987-03-31 95.64 1987-06-30 99.79 1987-09-30 99.84 1987-12-31 102.07 1988-03-31 102.96 1988-06-30 106.48 1988-09-30 105.29 1988-12-31 106.71 1989-03-31 107.22 1989-06-30 103.48 1989-09-30 101.42 1989-12-31 97.11 1990-03-31 96.72 1990-06-30 97.08 1990-09-30 103.12 1990-12-31 102.95 1991-03-31 102.62 1991-06-30 100.67 1991-09-30 99.88 1991-12-31 99.84 1992-03-31 99.4 1992-06-30 101.24 1992-09-30 99.4 1992-12-31 87.74 1993-03-31 86.64 1993-06-30 88.7 1993-09-30 90.17 1993-12-31 90.2 1994-03-31 90.68 1994-06-30 89.07 1994-09-30 87.94 1994-12-31 89.08 1995-03-31 87.14 1995-06-30 84.28 1995-09-30 84.28 1995-12-31 83.51 1996-03-31 83.52 1996-06-30 84.77 1996-09-30 85.51 1996-12-31 91.25 1997-03-31 96.85 1997-06-30 99.65 1997-09-30 102.5 1997-12-31 103.01 1998-03-31 105.42 1998-06-30 105.34 1998-09-30 104.41 1998-12-31 100.54 1999-03-31 101.16 1999-06-30 104.12 1999-09-30 103.84 1999-12-31 105.92 2000-03-31 108.46 2000-06-30 107.57 2000-09-30 106.42 2000-12-31 107.68 2001-03-31 104.54 2001-06-30 106.41 2001-09-30 106.12 2001-12-31 106.11 2002-03-31 106.91 2002-06-30 105.43 2002-09-30 105.7 2002-12-31 106.04 2003-03-31 102.38 2003-06-30 99.12 2003-09-30 99.23 2003-12-31 100.16 2004-03-31 104.09 2004-06-30 105.23 2004-09-30 104.78 2004-12-31 102.34 2005-03-31 102.87 2005-06-30 104.31 2005-09-30 102.98 2005-12-31 103.19 2006-03-31 102.51