Month Average 1990 = 100 1975-01-31 77.97 1975-02-28 78.03 1975-03-31 77.56 1975-04-30 77.63 1975-05-31 77.74 1975-06-30 78.26 1975-07-31 76.81 1975-08-31 76.86 1975-09-30 76.49 1975-10-31 77.03 1975-11-30 76.71 1975-12-31 76.94 1976-01-31 77.99 1976-02-29 77.53 1976-03-31 78.74 1976-04-30 79.7 1976-05-31 78.8 1976-06-30 78.87 1976-07-31 79.91 1976-08-31 80.41 1976-09-30 82 1976-10-31 82.62 1976-11-30 82.44 1976-12-31 82.89 1977-01-31 82.41 1977-02-28 82.69 1977-03-31 82.88 1977-04-30 83.2 1977-05-31 83.08 1977-06-30 83.51 1977-07-31 84.16 1977-08-31 83.92 1977-09-30 83.33 1977-10-31 83.75 1977-11-30 83.95 1977-12-31 84.28 1978-01-31 84.29 1978-02-28 84.91 1978-03-31 84.76 1978-04-30 84.6 1978-05-31 84.16 1978-06-30 83.54 1978-07-31 82.98 1978-08-31 83.34 1978-09-30 83.22 1978-10-31 84.92 1978-11-30 83.86 1978-12-31 84.59 1979-01-31 84.62 1979-02-28 84.53 1979-03-31 84.3 1979-04-30 83.88 1979-05-31 83.73 1979-06-30 84.37 1979-07-31 84.15 1979-08-31 84.6 1979-09-30 87.22 1979-10-31 87.37 1979-11-30 88.18 1979-12-31 87.83 1980-01-31 88.03 1980-02-29 88.46 1980-03-31 87.02 1980-04-30 88.12 1980-05-31 87.6 1980-06-30 88.56 1980-07-31 88.15 1980-08-31 88.4 1980-09-30 88.04 1980-10-31 86.78 1980-11-30 87 1980-12-31 86.57 1981-01-31 85.68 1981-02-28 86.24 1981-03-31 86.67 1981-04-30 86.62 1981-05-31 86.18 1981-06-30 86.15 1981-07-31 86.55 1981-08-31 86.76 1981-09-30 87.77 1981-10-31 88.94 1981-11-30 88.36 1981-12-31 88.58 1982-01-31 88.49 1982-02-28 88.47 1982-03-31 88.97 1982-04-30 89.71 1982-05-31 89.48 1982-06-30 90.04 1982-07-31 90.04 1982-08-31 89.94 1982-09-30 90.2 1982-10-31 90.97 1982-11-30 91.48 1982-12-31 91.91 1983-01-31 91.57 1983-02-28 91.86 1983-03-31 93.06 1983-04-30 92.4 1983-05-31 91.74 1983-06-30 91.86 1983-07-31 91.4 1983-08-31 91.18 1983-09-30 91.88 1983-10-31 91.9 1983-11-30 91.43 1983-12-31 91.05 1984-01-31 91.07 1984-02-29 92.47 1984-03-31 92.74 1984-04-30 92.02 1984-05-31 92.14 1984-06-30 92.46 1984-07-31 91.98 1984-08-31 91.89 1984-09-30 91.7 1984-10-31 91.51 1984-11-30 91.36 1984-12-31 91.3 1985-01-31 91.57 1985-02-28 91.18 1985-03-31 92 1985-04-30 92.04 1985-05-31 91.65 1985-06-30 91.32 1985-07-31 92.68 1985-08-31 93.12 1985-09-30 93.08 1985-10-31 93.52 1985-11-30 93.91 1985-12-31 94.33 1986-01-31 94.92 1986-02-28 95.94 1986-03-31 94.86 1986-04-30 95.31 1986-05-31 95.18 1986-06-30 95.2 1986-07-31 96.01 1986-08-31 96.46 1986-09-30 96.81 1986-10-31 96.87 1986-11-30 97.6 1986-12-31 97.93 1987-01-31 98.47 1987-02-28 98.86 1987-03-31 98.41 1987-04-30 98.24 1987-05-31 98.32 1987-06-30 98.47 1987-07-31 98.25 1987-08-31 98.22 1987-09-30 98.07 1987-10-31 98.88 1987-11-30 99.19 1987-12-31 99.24 1988-01-31 98.77 1988-02-29 98.83 1988-03-31 98.68 1988-04-30 98.55 1988-05-31 98.1 1988-06-30 97.88 1988-07-31 97.63 1988-08-31 97.83 1988-09-30 97.76 1988-10-31 98.16 1988-11-30 98.04 1988-12-31 97.9 1989-01-31 97.16 1989-02-28 97.65 1989-03-31 97.47 1989-04-30 97.66 1989-05-31 97.33 1989-06-30 97.12 1989-07-31 97.6 1989-08-31 97.35 1989-09-30 98.05 1989-10-31 98.71 1989-11-30 99.3 1989-12-31 100.51 1990-01-31 99.98 1990-02-28 99.71 1990-03-31 99.99 1990-04-30 100.1 1990-05-31 99.59 1990-06-30 99.68 1990-07-31 99.68 1990-08-31 99.79 1990-09-30 99.83 1990-10-31 100.05 1990-11-30 100.55 1990-12-31 100.78 1991-01-31 100.56 1991-02-28 100.35 1991-03-31 99.19 1991-04-30 98.73 1991-05-31 99 1991-06-30 98.67 1991-07-31 99.22 1991-08-31 99.13 1991-09-30 99.53 1991-10-31 99.59 1991-11-30 100.01 1991-12-31 100.71 1992-01-31 99.86 1992-02-29 100.07 1992-03-31 100.33 1992-04-30 100.03 1992-05-31 100.11 1992-06-30 100.57 1992-07-31 100.91 1992-08-31 101.84 1992-09-30 103.76 1992-10-31 103.24 1992-11-30 103.42 1992-12-31 103.79 1993-01-31 104.49 1993-02-28 104.84 1993-03-31 105.03 1993-04-30 104.06 1993-05-31 103.52 1993-06-30 102.45 1993-07-31 102.83 1993-08-31 103.98 1993-09-30 104.8 1993-10-31 104.51 1993-11-30 104.26 1993-12-31 103.69 1994-01-31 102.93 1994-02-28 103.18 1994-03-31 103.2 1994-04-30 103.64 1994-05-31 103.82 1994-06-30 104.13 1994-07-31 103.91 1994-08-31 104.36 1994-09-30 104.28 1994-10-31 104.7 1994-11-30 104.62 1994-12-31 105.13 1995-01-31 106.05 1995-02-28 107.08 1995-03-31 107.48 1995-04-30 107.97 1995-05-31 107.12 1995-06-30 107.64 1995-07-31 107.26 1995-08-31 106.38 1995-09-30 106.92 1995-10-31 107.18 1995-11-30 106.5 1995-12-31 106.61 1996-01-31 106.15 1996-02-29 105.98 1996-03-31 105.96 1996-04-30 104.79 1996-05-31 104.82 1996-06-30 104.81 1996-07-31 105.57 1996-08-31 105.38 1996-09-30 104.71 1996-10-31 104.83 1996-11-30 104.35 1996-12-31 104.5 1997-01-31 104.07 1997-02-28 103.77 1997-03-31 103.86 1997-04-30 103.38 1997-05-31 103.09 1997-06-30 102.49 1997-07-31 101.82 1997-08-31 102.26 1997-09-30 102.44 1997-10-31 102.59 1997-11-30 102.49 1997-12-31 102.54 1998-01-31 102.28 1998-02-28 102.3 1998-03-31 102.28 1998-04-30 102.76 1998-05-31 103.22 1998-06-30 103 1998-07-31 103.49 1998-08-31 103.46 1998-09-30 104.07 1998-10-31 103.55 1998-11-30 103.6 1998-12-31 103.52 1999-01-31 103.01 1999-02-28 102.68 1999-03-31 102.39 1999-04-30 102.18 1999-05-31 102.01 1999-06-30 101.9 1999-07-31 102.07 1999-08-31 101.72 1999-09-30 101.63 1999-10-31 101.39 1999-11-30 100.75 1999-12-31 100.64 2000-01-31 100.51 2000-02-29 100.51 2000-03-31 99.98 2000-04-30 99.52 2000-05-31 100.02 2000-06-30 100.33 2000-07-31 99.99 2000-08-31 99.42 2000-09-30 99.25 2000-10-31 98.82 2000-11-30 99.36 2000-12-31 100.35 2001-01-31 100.48 2001-02-28 100.51 2001-03-31 100.28 2001-04-30 100.26 2001-05-31 99.42 2001-06-30 99.67 2001-07-31 100.43 2001-08-31 100.34 2001-09-30 100.24 2001-10-31 100.17 2001-11-30 100.22 2001-12-31 100.3