Month Average 1990 = 100 1975-01-31 76.1 1975-02-28 76.51 1975-03-31 76.99 1975-04-30 76.57 1975-05-31 76.56 1975-06-30 76.32 1975-07-31 75.21 1975-08-31 75.07 1975-09-30 75 1975-10-31 75.39 1975-11-30 75.5 1975-12-31 75.37 1976-01-31 75.71 1976-02-29 76.06 1976-03-31 76.46 1976-04-30 77.2 1976-05-31 76.78 1976-06-30 76.75 1976-07-31 76.95 1976-08-31 78.04 1976-09-30 79.77 1976-10-31 81.42 1976-11-30 82.16 1976-12-31 82.51 1977-01-31 81.95 1977-02-28 81.97 1977-03-31 82.29 1977-04-30 82.82 1977-05-31 83.08 1977-06-30 82.21 1977-07-31 82.43 1977-08-31 82.77 1977-09-30 82.77 1977-10-31 82.45 1977-11-30 81.99 1977-12-31 83.03 1978-01-31 83.7 1978-02-28 84.63 1978-03-31 85.66 1978-04-30 85.49 1978-05-31 84.54 1978-06-30 84.15 1978-07-31 83.16 1978-08-31 83.15 1978-09-30 83.29 1978-10-31 85.25 1978-11-30 85.3 1978-12-31 85.74 1979-01-31 86.46 1979-02-28 86.38 1979-03-31 86.36 1979-04-30 85.63 1979-05-31 84.96 1979-06-30 84.53 1979-07-31 84.4 1979-08-31 84.65 1979-09-30 85.29 1979-10-31 85.35 1979-11-30 85.78 1979-12-31 86.72 1980-01-31 86.58 1980-02-29 86.32 1980-03-31 85.73 1980-04-30 85.33 1980-05-31 85.47 1980-06-30 85.74 1980-07-31 86.2 1980-08-31 86 1980-09-30 85.89 1980-10-31 85.09 1980-11-30 84.34 1980-12-31 83.78 1981-01-31 82.87 1981-02-28 81.73 1981-03-31 81.77 1981-04-30 81.42 1981-05-31 80.42 1981-06-30 80.17 1981-07-31 80.18 1981-08-31 80.12 1981-09-30 81.83 1981-10-31 84.23 1981-11-30 84.76 1981-12-31 84.55 1982-01-31 84.42 1982-02-28 84.22 1982-03-31 85.12 1982-04-30 84.93 1982-05-31 85.43 1982-06-30 85.92 1982-07-31 86.17 1982-08-31 86.63 1982-09-30 87.15 1982-10-31 88.08 1982-11-30 88.39 1982-12-31 88.95 1983-01-31 89.61 1983-02-28 89.49 1983-03-31 89.89 1983-04-30 88.55 1983-05-31 88.22 1983-06-30 87.97 1983-07-31 87.92 1983-08-31 87.41 1983-09-30 87.65 1983-10-31 88.24 1983-11-30 87.63 1983-12-31 87.27 1984-01-31 86.81 1984-02-29 87.5 1984-03-31 88.28 1984-04-30 88.08 1984-05-31 87.56 1984-06-30 87.76 1984-07-31 87.26 1984-08-31 87.03 1984-09-30 86.31 1984-10-31 86.42 1984-11-30 86.78 1984-12-31 86.26 1985-01-31 86.33 1985-02-28 85.71 1985-03-31 85.76 1985-04-30 86.23 1985-05-31 86.14 1985-06-30 86.32 1985-07-31 86.82 1985-08-31 88.17 1985-09-30 87.92 1985-10-31 88.74 1985-11-30 88.97 1985-12-31 89.98 1986-01-31 90.9 1986-02-28 91.47 1986-03-31 91.89 1986-04-30 91.96 1986-05-31 92.31 1986-06-30 92.44 1986-07-31 93.3 1986-08-31 94.79 1986-09-30 95.2 1986-10-31 96.11 1986-11-30 96.2 1986-12-31 96.74 1987-01-31 98.31 1987-02-28 98.52 1987-03-31 97.64 1987-04-30 97.52 1987-05-31 97.74 1987-06-30 97.75 1987-07-31 97.63 1987-08-31 97.48 1987-09-30 97.7 1987-10-31 97.79 1987-11-30 99.02 1987-12-31 99.21 1988-01-31 99.07 1988-02-29 98.76 1988-03-31 98.53 1988-04-30 98.3 1988-05-31 98.05 1988-06-30 97.39 1988-07-31 96.49 1988-08-31 95.91 1988-09-30 96.61 1988-10-31 96.78 1988-11-30 97.09 1988-12-31 96.71 1989-01-31 95.81 1989-02-28 95.73 1989-03-31 95.92 1989-04-30 96.01 1989-05-31 95.71 1989-06-30 96.16 1989-07-31 96.52 1989-08-31 96.17 1989-09-30 96.17 1989-10-31 97.34 1989-11-30 98.18 1989-12-31 99.63 1990-01-31 100.09 1990-02-28 99.95 1990-03-31 100.1 1990-04-30 100.31 1990-05-31 100.27 1990-06-30 99.48 1990-07-31 99.24 1990-08-31 99.76 1990-09-30 99.69 1990-10-31 99.8 1990-11-30 100.51 1990-12-31 100.96 1991-01-31 100.57 1991-02-28 100.86 1991-03-31 99.71 1991-04-30 98.42 1991-05-31 98.45 1991-06-30 98.22 1991-07-31 98.16 1991-08-31 98.53 1991-09-30 98.94 1991-10-31 98.95 1991-11-30 99.82 1991-12-31 100.52 1992-01-31 100.29 1992-02-29 99.95 1992-03-31 99.81 1992-04-30 99.79 1992-05-31 99.62 1992-06-30 99.98 1992-07-31 100.9 1992-08-31 101.71 1992-09-30 103.02 1992-10-31 104.69 1992-11-30 103.96 1992-12-31 104.64 1993-01-31 104.58 1993-02-28 105.03 1993-03-31 105 1993-04-30 104.84 1993-05-31 104.39 1993-06-30 103.72 1993-07-31 103.05 1993-08-31 104.28 1993-09-30 105.95 1993-10-31 106.01 1993-11-30 104.95 1993-12-31 104.59 1994-01-31 103.66 1994-02-28 103.37 1994-03-31 103.97 1994-04-30 103.73 1994-05-31 104.42 1994-06-30 104.96 1994-07-31 105.85 1994-08-31 106.02 1994-09-30 106.05 1994-10-31 106.24 1994-11-30 106.12 1994-12-31 106.16 1995-01-31 106.96 1995-02-28 107.75 1995-03-31 110.42 1995-04-30 110.68 1995-05-31 109.81 1995-06-30 109.8 1995-07-31 109.88 1995-08-31 108.74 1995-09-30 108.66 1995-10-31 109.83 1995-11-30 109.58 1995-12-31 109.15 1996-01-31 108.72 1996-02-29 108.66 1996-03-31 108.29 1996-04-30 107.64 1996-05-31 106.91 1996-06-30 106.65 1996-07-31 106.9 1996-08-31 107.51 1996-09-30 106.92 1996-10-31 106.08 1996-11-30 105.91 1996-12-31 105.07 1997-01-31 104.18 1997-02-28 103.55 1997-03-31 103.28 1997-04-30 102.96 1997-05-31 102.79 1997-06-30 102.06 1997-07-31 100.67 1997-08-31 100.53 1997-09-30 101.37 1997-10-31 101.59 1997-11-30 101.68 1997-12-31 101.39 1998-01-31 101.11 1998-02-28 101.04 1998-03-31 100.75 1998-04-30 101.15 1998-05-31 102.04 1998-06-30 101.88 1998-07-31 101.9 1998-08-31 102.32 1998-09-30 103 1998-10-31 103.51 1998-11-30 103.04 1998-12-31 103.17 1999-01-31 102.75 1999-02-28 102.04 1999-03-31 101.45 1999-04-30 101.05 1999-05-31 100.95 1999-06-30 100.33 1999-07-31 100.4 1999-08-31 100.56 1999-09-30 99.86 1999-10-31 100.08 1999-11-30 99.32 1999-12-31 98.74 2000-01-31 98.7 2000-02-29 98.37 2000-03-31 97.88 2000-04-30 97.27 2000-05-31 96.82 2000-06-30 97.97 2000-07-31 97.79 2000-08-31 96.95 2000-09-30 96.37 2000-10-31 95.82 2000-11-30 96.16 2000-12-31 97.18 2001-01-31 98.46 2001-02-28 98.22 2001-03-31 98.21 2001-04-30 97.88 2001-05-31 97.34 2001-06-30 96.93 2001-07-31 97.15 2001-08-31 98.02 2001-09-30 98.09 2001-10-31 98.09 2001-11-30 97.69 2001-12-31 97.96