Month Average 1990 = 100 1975-01-31 96.63 1975-02-28 96.91 1975-03-31 96.59 1975-04-30 96.09 1975-05-31 95.51 1975-06-30 95.53 1975-07-31 93.61 1975-08-31 93.83 1975-09-30 92.6 1975-10-31 93.32 1975-11-30 93.06 1975-12-31 92.95 1976-01-31 93.94 1976-02-29 94.35 1976-03-31 96.46 1976-04-30 97.83 1976-05-31 96.73 1976-06-30 96.42 1976-07-31 97.37 1976-08-31 98.27 1976-09-30 100.67 1976-10-31 103.01 1976-11-30 103.02 1976-12-31 104.11 1977-01-31 102.11 1977-02-28 102.86 1977-03-31 102.8 1977-04-30 103.96 1977-05-31 103.87 1977-06-30 103.42 1977-07-31 104.94 1977-08-31 104.74 1977-09-30 104.23 1977-10-31 103.58 1977-11-30 103.5 1977-12-31 106.46 1978-01-31 106.71 1978-02-28 108.63 1978-03-31 108.09 1978-04-30 107.37 1978-05-31 106.15 1978-06-30 104.62 1978-07-31 103.92 1978-08-31 105.11 1978-09-30 106.1 1978-10-31 110.09 1978-11-30 107.64 1978-12-31 108.47 1979-01-31 108.98 1979-02-28 108.65 1979-03-31 107.79 1979-04-30 106.72 1979-05-31 105.99 1979-06-30 106.83 1979-07-31 106.74 1979-08-31 106.57 1979-09-30 107.7 1979-10-31 108.19 1979-11-30 108.29 1979-12-31 107.98 1980-01-31 107.56 1980-02-29 107.22 1980-03-31 106.3 1980-04-30 107.61 1980-05-31 108.16 1980-06-30 108.06 1980-07-31 108.28 1980-08-31 106.9 1980-09-30 106.87 1980-10-31 104.9 1980-11-30 105.05 1980-12-31 104.3 1981-01-31 102.36 1981-02-28 101.87 1981-03-31 102.44 1981-04-30 102.44 1981-05-31 101.62 1981-06-30 101.15 1981-07-31 101.15 1981-08-31 101.4 1981-09-30 103.28 1981-10-31 103.05 1981-11-30 101.7 1981-12-31 100.26 1982-01-31 100.29 1982-02-28 93.25 1982-03-31 91.39 1982-04-30 92.23 1982-05-31 92.3 1982-06-30 91.99 1982-07-31 91.96 1982-08-31 91.76 1982-09-30 90.64 1982-10-31 91.39 1982-11-30 91.23 1982-12-31 91.73 1983-01-31 92.2 1983-02-28 92.1 1983-03-31 93.37 1983-04-30 92.01 1983-05-31 90.86 1983-06-30 91.1 1983-07-31 90.34 1983-08-31 89.74 1983-09-30 89.65 1983-10-31 89.55 1983-11-30 89.27 1983-12-31 88.78 1984-01-31 88.4 1984-02-29 89.81 1984-03-31 89.94 1984-04-30 89.49 1984-05-31 89.58 1984-06-30 89.7 1984-07-31 89.89 1984-08-31 90.2 1984-09-30 89.05 1984-10-31 89.67 1984-11-30 89.78 1984-12-31 90.01 1985-01-31 90.43 1985-02-28 89.56 1985-03-31 90.05 1985-04-30 89.7 1985-05-31 89.68 1985-06-30 89.65 1985-07-31 90.46 1985-08-31 90.59 1985-09-30 91.01 1985-10-31 91.32 1985-11-30 91.42 1985-12-31 91.98 1986-01-31 92.74 1986-02-28 93.69 1986-03-31 92.49 1986-04-30 94.53 1986-05-31 93.56 1986-06-30 94.09 1986-07-31 94.41 1986-08-31 95.43 1986-09-30 95.67 1986-10-31 95.65 1986-11-30 96.53 1986-12-31 96.91 1987-01-31 98.8 1987-02-28 98.44 1987-03-31 98.03 1987-04-30 97.5 1987-05-31 97.62 1987-06-30 97.61 1987-07-31 97.42 1987-08-31 97.28 1987-09-30 97.1 1987-10-31 97.47 1987-11-30 98.01 1987-12-31 98.3 1988-01-31 97.7 1988-02-29 97.55 1988-03-31 97.13 1988-04-30 96.91 1988-05-31 96.35 1988-06-30 96.05 1988-07-31 95.34 1988-08-31 95.72 1988-09-30 95.69 1988-10-31 96.28 1988-11-30 96.06 1988-12-31 95.83 1989-01-31 94.91 1989-02-28 95.45 1989-03-31 95.36 1989-04-30 95.36 1989-05-31 95.18 1989-06-30 95.72 1989-07-31 95.61 1989-08-31 95.47 1989-09-30 95.87 1989-10-31 96.76 1989-11-30 97.58 1989-12-31 98.84 1990-01-31 98.85 1990-02-28 99 1990-03-31 100 1990-04-30 100.42 1990-05-31 100.01 1990-06-30 100.01 1990-07-31 100.17 1990-08-31 100.27 1990-09-30 100.22 1990-10-31 100.47 1990-11-30 100.77 1990-12-31 101.18 1991-01-31 101.25 1991-02-28 100.92 1991-03-31 99.38 1991-04-30 99.1 1991-05-31 99.2 1991-06-30 98.72 1991-07-31 99.25 1991-08-31 99.26 1991-09-30 99.93 1991-10-31 99.92 1991-11-30 100.48 1991-12-31 101.38 1992-01-31 100.29 1992-02-29 100.38 1992-03-31 100.54 1992-04-30 100.02 1992-05-31 100.11 1992-06-30 100.95 1992-07-31 101.55 1992-08-31 102.56 1992-09-30 105 1992-10-31 104.57 1992-11-30 104.58 1992-12-31 105.02 1993-01-31 105.26 1993-02-28 105.59 1993-03-31 105.5 1993-04-30 104.97 1993-05-31 104.58 1993-06-30 103.25 1993-07-31 101.5 1993-08-31 101.34 1993-09-30 100.96 1993-10-31 100.05 1993-11-30 101.91 1993-12-31 102.97 1994-01-31 103.44 1994-02-28 104.07 1994-03-31 104.47 1994-04-30 104.4 1994-05-31 104.83 1994-06-30 105.53 1994-07-31 105.68 1994-08-31 105.82 1994-09-30 105.8 1994-10-31 106.23 1994-11-30 106.01 1994-12-31 106.8 1995-01-31 107.09 1995-02-28 109.03 1995-03-31 111.17 1995-04-30 110.64 1995-05-31 109.73 1995-06-30 110.35 1995-07-31 109.83 1995-08-31 108.56 1995-09-30 109.25 1995-10-31 109.83 1995-11-30 109.05 1995-12-31 109.07 1996-01-31 108.35 1996-02-29 108.17 1996-03-31 108.15 1996-04-30 106.67 1996-05-31 106.32 1996-06-30 106.46 1996-07-31 107.33 1996-08-31 107.42 1996-09-30 106.25 1996-10-31 106.02 1996-11-30 105.22 1996-12-31 105.05 1997-01-31 104.34 1997-02-28 103.62 1997-03-31 103.78 1997-04-30 103.12 1997-05-31 103.04 1997-06-30 102.13 1997-07-31 101.05 1997-08-31 101.67 1997-09-30 102.17 1997-10-31 102.42 1997-11-30 101.99 1997-12-31 101.99 1998-01-31 101.58 1998-02-28 101.65 1998-03-31 101.31 1998-04-30 101.97 1998-05-31 102.68 1998-06-30 102.24 1998-07-31 102.99 1998-08-31 102.89 1998-09-30 103.9 1998-10-31 103.65 1998-11-30 103.58 1998-12-31 103.55 1999-01-31 102.84 1999-02-28 102.43 1999-03-31 101.92 1999-04-30 101.48 1999-05-31 101.31 1999-06-30 101.14 1999-07-31 101.52 1999-08-31 101.1 1999-09-30 100.9 1999-10-31 100.55 1999-11-30 99.77 1999-12-31 99.56 2000-01-31 99.13 2000-02-29 99.12 2000-03-31 98.57 2000-04-30 97.82 2000-05-31 98.74 2000-06-30 99.27 2000-07-31 98.76 2000-08-31 97.99 2000-09-30 97.74 2000-10-31 97.05 2000-11-30 97.99 2000-12-31 99.27 2001-01-31 99.4 2001-02-28 99.4 2001-03-31 98.91 2001-04-30 98.87 2001-05-31 97.74 2001-06-30 98.05 2001-07-31 98.63 2001-08-31 99.16 2001-09-30 99.09 2001-10-31 99.02 2001-11-30 99.11 2001-12-31 98.97