Month Average 1990 = 100 1975-01-31 63.19 1975-02-28 63.28 1975-03-31 62.47 1975-04-30 61.66 1975-05-31 62.07 1975-06-30 62.54 1975-07-31 60.46 1975-08-31 60.45 1975-09-30 60.5 1975-10-31 61.06 1975-11-30 60.61 1975-12-31 60.66 1976-01-31 62.03 1976-02-29 62.96 1976-03-31 65.21 1976-04-30 66.05 1976-05-31 64.94 1976-06-30 65.2 1976-07-31 66.14 1976-08-31 66.3 1976-09-30 68.82 1976-10-31 70.32 1976-11-30 69.83 1976-12-31 70.56 1977-01-31 69.66 1977-02-28 70.17 1977-03-31 70.05 1977-04-30 70.98 1977-05-31 70.93 1977-06-30 71.16 1977-07-31 72.72 1977-08-31 72.32 1977-09-30 72.47 1977-10-31 72.67 1977-11-30 73.36 1977-12-31 75.2 1978-01-31 74.59 1978-02-28 76.55 1978-03-31 76.54 1978-04-30 75.57 1978-05-31 74.76 1978-06-30 74.23 1978-07-31 73.45 1978-08-31 74.36 1978-09-30 75.16 1978-10-31 78.54 1978-11-30 77.04 1978-12-31 78.37 1979-01-31 77.91 1979-02-28 78.28 1979-03-31 77.84 1979-04-30 77.52 1979-05-31 77.64 1979-06-30 78.32 1979-07-31 77.93 1979-08-31 78.26 1979-09-30 80.37 1979-10-31 80.31 1979-11-30 81.93 1979-12-31 81.22 1980-01-31 80.88 1980-02-29 80.58 1980-03-31 78.16 1980-04-30 80.13 1980-05-31 79.72 1980-06-30 79.67 1980-07-31 79.62 1980-08-31 79.1 1980-09-30 78.57 1980-10-31 76.69 1980-11-30 77.22 1980-12-31 76.22 1981-01-31 74.37 1981-02-28 76.1 1981-03-31 76.57 1981-04-30 75.79 1981-05-31 74.86 1981-06-30 74.75 1981-07-31 74.79 1981-08-31 74.89 1981-09-30 76.95 1981-10-31 78.67 1981-11-30 78.2 1981-12-31 78.34 1982-01-31 77.93 1982-02-28 78.25 1982-03-31 79.28 1982-04-30 80.37 1982-05-31 80.57 1982-06-30 81.03 1982-07-31 81.05 1982-08-31 81.06 1982-09-30 81.29 1982-10-31 82.12 1982-11-30 83.1 1982-12-31 84.25 1983-01-31 83.82 1983-02-28 84.56 1983-03-31 86.57 1983-04-30 85.4 1983-05-31 84.38 1983-06-30 84.91 1983-07-31 83.68 1983-08-31 83.72 1983-09-30 84.44 1983-10-31 84.68 1983-11-30 83.95 1983-12-31 83.99 1984-01-31 83.45 1984-02-29 85.81 1984-03-31 85.81 1984-04-30 84.64 1984-05-31 84.78 1984-06-30 84.71 1984-07-31 84.3 1984-08-31 84.15 1984-09-30 83.18 1984-10-31 83.66 1984-11-30 83.15 1984-12-31 82.95 1985-01-31 83.46 1985-02-28 82.77 1985-03-31 83.68 1985-04-30 83.58 1985-05-31 83.61 1985-06-30 83.66 1985-07-31 85.19 1985-08-31 85.45 1985-09-30 86.46 1985-10-31 86.63 1985-11-30 87.34 1985-12-31 88.9 1986-01-31 89.48 1986-02-28 90.7 1986-03-31 89.2 1986-04-30 91.01 1986-05-31 89.77 1986-06-30 90.64 1986-07-31 92.33 1986-08-31 93.64 1986-09-30 94.17 1986-10-31 94.67 1986-11-30 95.85 1986-12-31 96.45 1987-01-31 98.2 1987-02-28 97.7 1987-03-31 97.25 1987-04-30 96.72 1987-05-31 96.82 1987-06-30 97.04 1987-07-31 96.65 1987-08-31 96.82 1987-09-30 96.43 1987-10-31 98.04 1987-11-30 98.87 1987-12-31 99.11 1988-01-31 97.88 1988-02-29 97.75 1988-03-31 97.38 1988-04-30 97.24 1988-05-31 96.35 1988-06-30 96.21 1988-07-31 95.09 1988-08-31 95.84 1988-09-30 95.7 1988-10-31 96.28 1988-11-30 96.13 1988-12-31 95.97 1989-01-31 94.57 1989-02-28 95.59 1989-03-31 94.85 1989-04-30 95.23 1989-05-31 94.85 1989-06-30 95.52 1989-07-31 95.49 1989-08-31 94.95 1989-09-30 96.28 1989-10-31 97.41 1989-11-30 98.81 1989-12-31 100.76 1990-01-31 99.9 1990-02-28 99.59 1990-03-31 100.22 1990-04-30 100.22 1990-05-31 99.2 1990-06-30 99.16 1990-07-31 99.59 1990-08-31 99.59 1990-09-30 99.8 1990-10-31 100.06 1990-11-30 100.9 1990-12-31 101.53 1991-01-31 101.18 1991-02-28 100.68 1991-03-31 98.45 1991-04-30 97.77 1991-05-31 97.98 1991-06-30 97.4 1991-07-31 98.3 1991-08-31 98.14 1991-09-30 99.18 1991-10-31 99.06 1991-11-30 100.04 1991-12-31 101.33 1992-01-31 99.9 1992-02-29 99.84 1992-03-31 100.08 1992-04-30 99.55 1992-05-31 99.64 1992-06-30 100.81 1992-07-31 101.84 1992-08-31 103.24 1992-09-30 106.48 1992-10-31 105.31 1992-11-30 105.71 1992-12-31 105.93 1993-01-31 106.86 1993-02-28 107.34 1993-03-31 107.4 1993-04-30 105.91 1993-05-31 105.78 1993-06-30 103.51 1993-07-31 104.29 1993-08-31 106.29 1993-09-30 107.56 1993-10-31 106.97 1993-11-30 106.35 1993-12-31 105.14 1994-01-31 103.94 1994-02-28 104.9 1994-03-31 105.43 1994-04-30 105.11 1994-05-31 106.04 1994-06-30 106.77 1994-07-31 107.04 1994-08-31 107.28 1994-09-30 107.23 1994-10-31 107.9 1994-11-30 107.48 1994-12-31 108.31 1995-01-31 109.32 1995-02-28 111.9 1995-03-31 114.49 1995-04-30 113.68 1995-05-31 112.05 1995-06-30 113.14 1995-07-31 112.5 1995-08-31 110.66 1995-09-30 111.85 1995-10-31 112.61 1995-11-30 111.36 1995-12-31 111.5 1996-01-31 110.51 1996-02-29 110.4 1996-03-31 110.2 1996-04-30 108.12 1996-05-31 108.14 1996-06-30 108.22 1996-07-31 109.62 1996-08-31 109.48 1996-09-30 107.99 1996-10-31 108 1996-11-30 107.11 1996-12-31 107.07 1997-01-31 106.19 1997-02-28 105.33 1997-03-31 105.62 1997-04-30 104.68 1997-05-31 104.41 1997-06-30 103.1 1997-07-31 101.76 1997-08-31 102.62 1997-09-30 103.17 1997-10-31 103.52 1997-11-30 103.11 1997-12-31 103.13 1998-01-31 102.57 1998-02-28 102.66 1998-03-31 102.38 1998-04-30 103.39 1998-05-31 104.25 1998-06-30 103.73 1998-07-31 104.76 1998-08-31 104.66 1998-09-30 106.03 1998-10-31 105.26 1998-11-30 105.25 1998-12-31 105.06 1999-01-31 104.1 1999-02-28 103.5 1999-03-31 102.83 1999-04-30 102.31 1999-05-31 102.05 1999-06-30 101.79 1999-07-31 102.24 1999-08-31 101.59 1999-09-30 101.32 1999-10-31 100.84 1999-11-30 99.68 1999-12-31 99.42 2000-01-31 98.99 2000-02-29 98.95 2000-03-31 98.05 2000-04-30 97.1 2000-05-31 98.22 2000-06-30 98.85 2000-07-31 98.23 2000-08-31 97.1 2000-09-30 96.79 2000-10-31 95.87 2000-11-30 97.07 2000-12-31 98.95 2001-01-31 99.1 2001-02-28 99.12 2001-03-31 98.55 2001-04-30 98.53 2001-05-31 96.9 2001-06-30 97.38 2001-07-31 98.16 2001-08-31 98.84 2001-09-30 98.71 2001-10-31 98.62 2001-11-30 98.7 2001-12-31 98.69