Month Average 1990 = 100 1975-01-31 76.22 1975-02-28 77.17 1975-03-31 76.68 1975-04-30 76.61 1975-05-31 76.46 1975-06-30 76.19 1975-07-31 74.48 1975-08-31 75.25 1975-09-30 74.67 1975-10-31 75.64 1975-11-30 75.25 1975-12-31 75.45 1976-01-31 76.12 1976-02-29 75.89 1976-03-31 76.64 1976-04-30 77.38 1976-05-31 76.5 1976-06-30 76.9 1976-07-31 77.33 1976-08-31 78.97 1976-09-30 80.76 1976-10-31 82.67 1976-11-30 82.31 1976-12-31 82.81 1977-01-31 81.58 1977-02-28 82.2 1977-03-31 82.27 1977-04-30 83.45 1977-05-31 82.73 1977-06-30 81.98 1977-07-31 82.46 1977-08-31 83.09 1977-09-30 82.65 1977-10-31 81.91 1977-11-30 82.23 1977-12-31 83.54 1978-01-31 83.79 1978-02-28 85.56 1978-03-31 85.82 1978-04-30 85.27 1978-05-31 84.28 1978-06-30 83.54 1978-07-31 82.73 1978-08-31 83.15 1978-09-30 83.71 1978-10-31 86.84 1978-11-30 85.26 1978-12-31 86.37 1979-01-31 86.35 1979-02-28 86.47 1979-03-31 86.25 1979-04-30 85.71 1979-05-31 84.54 1979-06-30 84.49 1979-07-31 84.3 1979-08-31 84.78 1979-09-30 85.64 1979-10-31 85.57 1979-11-30 86.26 1979-12-31 86.97 1980-01-31 86.31 1980-02-29 86.4 1980-03-31 84.44 1980-04-30 85.56 1980-05-31 85.37 1980-06-30 85.84 1980-07-31 86.07 1980-08-31 85.67 1980-09-30 85.65 1980-10-31 84.46 1980-11-30 84.49 1980-12-31 83.46 1981-01-31 81.85 1981-02-28 81.76 1981-03-31 81.91 1981-04-30 80.92 1981-05-31 80.17 1981-06-30 80.2 1981-07-31 80.44 1981-08-31 80.33 1981-09-30 82.1 1981-10-31 84.41 1981-11-30 84.6 1981-12-31 84.61 1982-01-31 84.22 1982-02-28 84.74 1982-03-31 84.6 1982-04-30 85.55 1982-05-31 85.58 1982-06-30 86.24 1982-07-31 86.32 1982-08-31 87.23 1982-09-30 87.29 1982-10-31 88.46 1982-11-30 88.38 1982-12-31 89.11 1983-01-31 89.53 1983-02-28 89.45 1983-03-31 89.24 1983-04-30 88.24 1983-05-31 87.33 1983-06-30 88.27 1983-07-31 87.53 1983-08-31 87.37 1983-09-30 88.19 1983-10-31 88.09 1983-11-30 87.53 1983-12-31 87.28 1984-01-31 86.69 1984-02-29 88.06 1984-03-31 88.49 1984-04-30 87.6 1984-05-31 87.66 1984-06-30 87.55 1984-07-31 86.86 1984-08-31 87.01 1984-09-30 86.36 1984-10-31 86.73 1984-11-30 86.22 1984-12-31 86.08 1985-01-31 86.29 1985-02-28 85.69 1985-03-31 86.53 1985-04-30 86.15 1985-05-31 86.48 1985-06-30 86.47 1985-07-31 87.86 1985-08-31 87.91 1985-09-30 88.61 1985-10-31 88.78 1985-11-30 89.61 1985-12-31 90.73 1986-01-31 91.27 1986-02-28 92.35 1986-03-31 91.25 1986-04-30 92.69 1986-05-31 91.95 1986-06-30 92.55 1986-07-31 94.24 1986-08-31 95.17 1986-09-30 95.55 1986-10-31 95.76 1986-11-30 96.73 1986-12-31 97.28 1987-01-31 98.74 1987-02-28 98.21 1987-03-31 97.85 1987-04-30 97.62 1987-05-31 97.65 1987-06-30 97.77 1987-07-31 97.61 1987-08-31 97.71 1987-09-30 97.48 1987-10-31 98.79 1987-11-30 99.42 1987-12-31 99.78 1988-01-31 98.95 1988-02-29 98.78 1988-03-31 98.48 1988-04-30 98.32 1988-05-31 97.68 1988-06-30 96.82 1988-07-31 95.96 1988-08-31 96.35 1988-09-30 96.43 1988-10-31 96.98 1988-11-30 96.8 1988-12-31 96.54 1989-01-31 95.41 1989-02-28 96.25 1989-03-31 95.7 1989-04-30 96 1989-05-31 95.86 1989-06-30 96.47 1989-07-31 96.36 1989-08-31 96.03 1989-09-30 96.82 1989-10-31 97.85 1989-11-30 98.99 1989-12-31 100.35 1990-01-31 99.88 1990-02-28 99.74 1990-03-31 100.11 1990-04-30 100.41 1990-05-31 99.53 1990-06-30 99.39 1990-07-31 99.59 1990-08-31 99.65 1990-09-30 99.81 1990-10-31 99.98 1990-11-30 100.6 1990-12-31 101.04 1991-01-31 100.88 1991-02-28 100.39 1991-03-31 98.66 1991-04-30 98.31 1991-05-31 98.43 1991-06-30 97.94 1991-07-31 98.48 1991-08-31 98.48 1991-09-30 99.28 1991-10-31 99.16 1991-11-30 99.85 1991-12-31 100.98 1992-01-31 99.99 1992-02-29 99.88 1992-03-31 99.97 1992-04-30 99.56 1992-05-31 99.55 1992-06-30 100.4 1992-07-31 101.2 1992-08-31 102.45 1992-09-30 104.89 1992-10-31 104.21 1992-11-30 104.46 1992-12-31 104.57 1993-01-31 105.08 1993-02-28 105.48 1993-03-31 105.42 1993-04-30 104.58 1993-05-31 104.61 1993-06-30 103 1993-07-31 102.96 1993-08-31 104.91 1993-09-30 106.09 1993-10-31 105.48 1993-11-30 104.86 1993-12-31 104.3 1994-01-31 103.13 1994-02-28 103.68 1994-03-31 104.15 1994-04-30 104.1 1994-05-31 104.76 1994-06-30 105.45 1994-07-31 105.6 1994-08-31 105.69 1994-09-30 105.83 1994-10-31 106.16 1994-11-30 105.9 1994-12-31 106.56 1995-01-31 107.39 1995-02-28 108.96 1995-03-31 111.19 1995-04-30 110.53 1995-05-31 109.53 1995-06-30 110.24 1995-07-31 109.81 1995-08-31 108.5 1995-09-30 109.33 1995-10-31 109.77 1995-11-30 109.12 1995-12-31 109.24 1996-01-31 108.42 1996-02-29 108.44 1996-03-31 108.32 1996-04-30 106.85 1996-05-31 106.69 1996-06-30 106.52 1996-07-31 107.58 1996-08-31 107.58 1996-09-30 106.33 1996-10-31 106.21 1996-11-30 105.27 1996-12-31 104.92 1997-01-31 104.25 1997-02-28 103.23 1997-03-31 103.46 1997-04-30 102.73 1997-05-31 102.65 1997-06-30 101.55 1997-07-31 100.35 1997-08-31 101.08 1997-09-30 101.56 1997-10-31 101.7 1997-11-30 101.33 1997-12-31 101.2 1998-01-31 100.89 1998-02-28 100.96 1998-03-31 100.49 1998-04-30 101.43 1998-05-31 102.08 1998-06-30 101.52 1998-07-31 102.36 1998-08-31 102.23 1998-09-30 103.47 1998-10-31 103.16 1998-11-30 103.09 1998-12-31 103.13 1999-01-31 102.28 1999-02-28 101.83 1999-03-31 101.22 1999-04-30 100.73 1999-05-31 100.53 1999-06-30 100.32 1999-07-31 100.75 1999-08-31 100.27 1999-09-30 100.05 1999-10-31 99.65 1999-11-30 98.75 1999-12-31 98.49 2000-01-31 98.01 2000-02-29 97.99 2000-03-31 97.34 2000-04-30 96.52 2000-05-31 97.58 2000-06-30 98.16 2000-07-31 97.61 2000-08-31 96.72 2000-09-30 96.43 2000-10-31 95.65 2000-11-30 96.75 2000-12-31 98.22 2001-01-31 98.35 2001-02-28 98.35 2001-03-31 97.87 2001-04-30 97.74 2001-05-31 96.46 2001-06-30 96.81 2001-07-31 97.49 2001-08-31 98.11 2001-09-30 98.06 2001-10-31 97.96 2001-11-30 98.06 2001-12-31 97.9