Month Average 1990 = 100 1975-01-31 104.38 1975-02-28 102.83 1975-03-31 102.4 1975-04-30 102.33 1975-05-31 102.1 1975-06-30 103.25 1975-07-31 102.66 1975-08-31 103.35 1975-09-30 101.86 1975-10-31 102.09 1975-11-30 102.5 1975-12-31 103.49 1976-01-31 103.85 1976-02-29 104.53 1976-03-31 105.53 1976-04-30 105.94 1976-05-31 105.85 1976-06-30 105.79 1976-07-31 105.79 1976-08-31 105.08 1976-09-30 104.58 1976-10-31 105.32 1976-11-30 105.43 1976-12-31 105.54 1977-01-31 105.24 1977-02-28 105.3 1977-03-31 105.52 1977-04-30 98.97 1977-05-31 98.6 1977-06-30 98.75 1977-07-31 98.82 1977-08-31 100.98 1977-09-30 97.72 1977-10-31 96.02 1977-11-30 94.59 1977-12-31 94.86 1978-01-31 95.31 1978-02-28 90.1 1978-03-31 89.28 1978-04-30 89.97 1978-05-31 88.47 1978-06-30 88.44 1978-07-31 88.2 1978-08-31 88.44 1978-09-30 88.54 1978-10-31 87.74 1978-11-30 88.77 1978-12-31 88.17 1979-01-31 88.72 1979-02-28 88.4 1979-03-31 88.49 1979-04-30 88.56 1979-05-31 89.6 1979-06-30 89.34 1979-07-31 89.7 1979-08-31 89.57 1979-09-30 90.58 1979-10-31 91.26 1979-11-30 91.25 1979-12-31 90.99 1980-01-31 91.45 1980-02-29 91.38 1980-03-31 94.24 1980-04-30 93.15 1980-05-31 92.67 1980-06-30 92.88 1980-07-31 93.17 1980-08-31 93.08 1980-09-30 93.23 1980-10-31 93.81 1980-11-30 93.79 1980-12-31 93.36 1981-01-31 94.31 1981-02-28 94.29 1981-03-31 93.9 1981-04-30 94.44 1981-05-31 94.92 1981-06-30 95.59 1981-07-31 95.95 1981-08-31 95.44 1981-09-30 96.13 1981-10-31 96.46 1981-11-30 96.5 1981-12-31 96.8 1982-01-31 97.81 1982-02-28 97.92 1982-03-31 98.48 1982-04-30 98.1 1982-05-31 98.1 1982-06-30 99.15 1982-07-31 99.48 1982-08-31 99.73 1982-09-30 99.8 1982-10-31 91.23 1982-11-30 91.19 1982-12-31 91.37 1983-01-31 91.72 1983-02-28 91.65 1983-03-31 91.69 1983-04-30 92.16 1983-05-31 92.47 1983-06-30 92.75 1983-07-31 93.28 1983-08-31 93.21 1983-09-30 93.46 1983-10-31 93.07 1983-11-30 93.15 1983-12-31 93.37 1984-01-31 93.82 1984-02-29 93.91 1984-03-31 94.61 1984-04-30 94.72 1984-05-31 94.72 1984-06-30 94.81 1984-07-31 94.72 1984-08-31 94.84 1984-09-30 95.3 1984-10-31 94.93 1984-11-30 94.96 1984-12-31 94.98 1985-01-31 94.57 1985-02-28 94.72 1985-03-31 94.97 1985-04-30 94.94 1985-05-31 94.24 1985-06-30 94.14 1985-07-31 95.29 1985-08-31 95.26 1985-09-30 94.94 1985-10-31 95.37 1985-11-30 95.4 1985-12-31 94.95 1986-01-31 94.65 1986-02-28 94.6 1986-03-31 94.53 1986-04-30 94.55 1986-05-31 92.59 1986-06-30 92.46 1986-07-31 92.06 1986-08-31 92.51 1986-09-30 92.59 1986-10-31 92.35 1986-11-30 92.1 1986-12-31 92.3 1987-01-31 92.84 1987-02-28 93.45 1987-03-31 93.79 1987-04-30 94.11 1987-05-31 94.28 1987-06-30 94.1 1987-07-31 94.23 1987-08-31 94.44 1987-09-30 95.16 1987-10-31 94.5 1987-11-30 94.86 1987-12-31 93.9 1988-01-31 95.54 1988-02-29 95.53 1988-03-31 95.62 1988-04-30 96.11 1988-05-31 96.21 1988-06-30 95.35 1988-07-31 95.05 1988-08-31 95.1 1988-09-30 95.51 1988-10-31 95.85 1988-11-30 96.33 1988-12-31 96.55 1989-01-31 96.79 1989-02-28 96.3 1989-03-31 99.57 1989-04-30 100.44 1989-05-31 100.26 1989-06-30 99.55 1989-07-31 100.07 1989-08-31 99.36 1989-09-30 99.18 1989-10-31 99.42 1989-11-30 99.18 1989-12-31 99.21 1990-01-31 100.23 1990-02-28 100.07 1990-03-31 99.98 1990-04-30 100.07 1990-05-31 100.2 1990-06-30 99.99 1990-07-31 100.36 1990-08-31 100.47 1990-09-30 99.42 1990-10-31 99.7 1990-11-30 99.72 1990-12-31 99.22 1991-01-31 98.84 1991-02-28 98.51 1991-03-31 98.4 1991-04-30 99.24 1991-05-31 97.43 1991-06-30 97.48 1991-07-31 96.5 1991-08-31 95.6 1991-09-30 96.2 1991-10-31 96 1991-11-30 87.12 1991-12-31 87.55 1992-01-31 86.33 1992-02-29 85.94 1992-03-31 86.4 1992-04-30 86.19 1992-05-31 86.39 1992-06-30 87.01 1992-07-31 87.2 1992-08-31 87.59 1992-09-30 77.93 1992-10-31 77.77 1992-11-30 77.96 1992-12-31 77.49 1993-01-31 73.55 1993-02-28 70.58 1993-03-31 70.5 1993-04-30 73.59 1993-05-31 74.39 1993-06-30 74.27 1993-07-31 72.98 1993-08-31 72.69 1993-09-30 72.31 1993-10-31 74.42 1993-11-30 74.76 1993-12-31 75.55 1994-01-31 78.08 1994-02-28 77.41 1994-03-31 77.18 1994-04-30 77.63 1994-05-31 76.72 1994-06-30 76.73 1994-07-31 77.99 1994-08-31 79.67 1994-09-30 81.96 1994-10-31 84.02 1994-11-30 82.86 1994-12-31 84.42 1995-01-31 83.34 1995-02-28 86.03 1995-03-31 86.86 1995-04-30 87.76 1995-05-31 87.32 1995-06-30 87.42 1995-07-31 88.35 1995-08-31 88.3 1995-09-30 88.65 1995-10-31 87.94 1995-11-30 88.19 1995-12-31 86.78 1996-01-31 85.52 1996-02-29 84.46 1996-03-31 82.9 1996-04-30 80.88 1996-05-31 82.77 1996-06-30 83.78 1996-07-31 84.95 1996-08-31 85.55 1996-09-30 85.11 1996-10-31 84.94 1996-11-30 84.15 1996-12-31 84.54 1997-01-31 84.04 1997-02-28 83.35 1997-03-31 83.94 1997-04-30 82.66 1997-05-31 82.3 1997-06-30 82.2 1997-07-31 80.88 1997-08-31 80.76 1997-09-30 81.45 1997-10-31 81.56 1997-11-30 80.81 1997-12-31 80.65 1998-01-31 80.49 1998-02-28 80.25 1998-03-31 79.71 1998-04-30 80.35 1998-05-31 81.12 1998-06-30 80.77 1998-07-31 81.53 1998-08-31 81.8 1998-09-30 82.98 1998-10-31 82.8 1998-11-30 82.91 1998-12-31 83.06 1999-01-31 81.53 1999-02-28 81.35 1999-03-31 80.63 1999-04-30 80.24 1999-05-31 80.15 1999-06-30 79.67 1999-07-31 80.11 1999-08-31 79.61 1999-09-30 79.43 1999-10-31 79.02 1999-11-30 78.1 1999-12-31 77.89 2000-01-31 77.58 2000-02-29 77.36 2000-03-31 76.6 2000-04-30 75.81 2000-05-31 76.95 2000-06-30 77.44 2000-07-31 77.12 2000-08-31 76.21 2000-09-30 76.13 2000-10-31 75.45 2000-11-30 76.66 2000-12-31 78.08 2001-01-31 78.17 2001-02-28 78.4 2001-03-31 78.04 2001-04-30 77.96 2001-05-31 76.88 2001-06-30 77.28 2001-07-31 77.96 2001-08-31 78.69 2001-09-30 78.92 2001-10-31 78.68 2001-11-30 78.72 2001-12-31 78.38