Month Average 1990 = 100 1975-01-31 531.6 1975-02-28 530.05 1975-03-31 529.35 1975-04-30 525.03 1975-05-31 525.64 1975-06-30 528.65 1975-07-31 518.7 1975-08-31 519.09 1975-09-30 517.31 1975-10-31 519.56 1975-11-30 520.6 1975-12-31 515.69 1976-01-31 519.12 1976-02-29 517.05 1976-03-31 499.7 1976-04-30 497.23 1976-05-31 485.34 1976-06-30 473.09 1976-07-31 477.76 1976-08-31 477.08 1976-09-30 474.03 1976-10-31 473.11 1976-11-30 466.45 1976-12-31 465.1 1977-01-31 458.67 1977-02-28 446.97 1977-03-31 381.05 1977-04-30 380.21 1977-05-31 380.18 1977-06-30 380.02 1977-07-31 386.88 1977-08-31 373.61 1977-09-30 368.34 1977-10-31 360.1 1977-11-30 359.25 1977-12-31 352.96 1978-01-31 350.75 1978-02-28 344.41 1978-03-31 336.12 1978-04-30 333.22 1978-05-31 307.33 1978-06-30 303.26 1978-07-31 298.56 1978-08-31 293.03 1978-09-30 287.85 1978-10-31 281.39 1978-11-30 281.37 1978-12-31 274.06 1979-01-31 272.77 1979-02-28 268.88 1979-03-31 264.95 1979-04-30 261.39 1979-05-31 259.72 1979-06-30 256.98 1979-07-31 255.68 1979-08-31 253.23 1979-09-30 248.86 1979-10-31 248.13 1979-11-30 245.81 1979-12-31 243.23 1980-01-31 242.6 1980-02-29 257.34 1980-03-31 260.83 1980-04-30 255.32 1980-05-31 252.16 1980-06-30 251.75 1980-07-31 249.36 1980-08-31 250.89 1980-09-30 250.56 1980-10-31 251.57 1980-11-30 251.2 1980-12-31 250.54 1981-01-31 252.6 1981-02-28 252.43 1981-03-31 252.01 1981-04-30 251.32 1981-05-31 254.28 1981-06-30 253.92 1981-07-31 253.14 1981-08-31 252.42 1981-09-30 245.87 1981-10-31 246.79 1981-11-30 240.93 1981-12-31 242.27 1982-01-31 241.08 1982-02-28 238.42 1982-03-31 239.28 1982-04-30 236.03 1982-05-31 234.71 1982-06-30 211.69 1982-07-31 209.97 1982-08-31 208.48 1982-09-30 207.38 1982-10-31 206.22 1982-11-30 200.55 1982-12-31 200.72 1983-01-31 200.23 1983-02-28 200.34 1983-03-31 194.84 1983-04-30 193.83 1983-05-31 192.99 1983-06-30 168.4 1983-07-31 167.75 1983-08-31 165.85 1983-09-30 164.39 1983-10-31 162.93 1983-11-30 161.09 1983-12-31 158.79 1984-01-31 157.21 1984-02-29 155.29 1984-03-31 153.64 1984-04-30 153.07 1984-05-31 150.97 1984-06-30 147.6 1984-07-31 148.42 1984-08-31 147.64 1984-09-30 147.24 1984-10-31 142.43 1984-11-30 143.1 1984-12-31 142.29 1985-01-31 140.74 1985-02-28 139.12 1985-03-31 135.34 1985-04-30 136.57 1985-05-31 134.57 1985-06-30 134.03 1985-07-31 131.41 1985-08-31 130.48 1985-09-30 126.12 1985-10-31 126.72 1985-11-30 125.75 1985-12-31 125.29 1986-01-31 125.31 1986-02-28 124.85 1986-03-31 125.64 1986-04-30 123.59 1986-05-31 123.59 1986-06-30 121.54 1986-07-31 120.27 1986-08-31 118.47 1986-09-30 118.27 1986-10-31 117.15 1986-11-30 116.4 1986-12-31 115.49 1987-01-31 114.63 1987-02-28 114.16 1987-03-31 113.42 1987-04-30 113.16 1987-05-31 112.11 1987-06-30 111.64 1987-07-31 111.62 1987-08-31 110.78 1987-09-30 110.28 1987-10-31 108.67 1987-11-30 108.09 1987-12-31 105.74 1988-01-31 107.54 1988-02-29 107.21 1988-03-31 106.78 1988-04-30 106.98 1988-05-31 106.45 1988-06-30 106.22 1988-07-31 106.03 1988-08-31 105.29 1988-09-30 104.78 1988-10-31 104.82 1988-11-30 104.57 1988-12-31 104.27 1989-01-31 103.92 1989-02-28 103.72 1989-03-31 103.62 1989-04-30 103.21 1989-05-31 102.7 1989-06-30 102.85 1989-07-31 102.51 1989-08-31 102.27 1989-09-30 102 1989-10-31 101.74 1989-11-30 101.19 1989-12-31 100.75 1990-01-31 100.68 1990-02-28 100.28 1990-03-31 99.94 1990-04-30 99.98 1990-05-31 99.72 1990-06-30 99.47 1990-07-31 99.22 1990-08-31 99.24 1990-09-30 99.01 1990-10-31 100.16 1990-11-30 100.88 1990-12-31 99.51 1991-01-31 100.54 1991-02-28 101.26 1991-03-31 99.28 1991-04-30 101.11 1991-05-31 100.04 1991-06-30 100.01 1991-07-31 101.76 1991-08-31 102.06 1991-09-30 101.81 1991-10-31 102.3 1991-11-30 99.71 1991-12-31 101.21 1992-01-31 102.76 1992-02-29 102.74 1992-03-31 102.72 1992-04-30 104.64 1992-05-31 106.15 1992-06-30 106.25 1992-07-31 105 1992-08-31 103.43 1992-09-30 104.84 1992-10-31 104.61 1992-11-30 104.72 1992-12-31 103.46 1993-01-31 104.42 1993-02-28 103.82 1993-03-31 103.21 1993-04-30 102.12 1993-05-31 99.09 1993-06-30 98.71 1993-07-31 92.32 1993-08-31 94.21 1993-09-30 94.23 1993-10-31 93.6 1993-11-30 93.97 1993-12-31 93.7 1994-01-31 93.98 1994-02-28 93.53 1994-03-31 92.97 1994-04-30 92.96 1994-05-31 92.65 1994-06-30 93.65 1994-07-31 95.24 1994-08-31 95.34 1994-09-30 94.94 1994-10-31 95.11 1994-11-30 95.05 1994-12-31 95.19 1995-01-31 95.48 1995-02-28 96.74 1995-03-31 97.36 1995-04-30 96.24 1995-05-31 95.64 1995-06-30 96.01 1995-07-31 96.47 1995-08-31 95.68 1995-09-30 95.28 1995-10-31 95.27 1995-11-30 95.16 1995-12-31 95.42 1996-01-31 95.51 1996-02-29 95.22 1996-03-31 95.54 1996-04-30 94.97 1996-05-31 94.31 1996-06-30 94.56 1996-07-31 95.51 1996-08-31 95.75 1996-09-30 95.46 1996-10-31 95.81 1996-11-30 95.32 1996-12-31 95.35 1997-01-31 95.42 1997-02-28 94.56 1997-03-31 94.66 1997-04-30 94.33 1997-05-31 93.6 1997-06-30 92.95 1997-07-31 91.95 1997-08-31 92.12 1997-09-30 92.09 1997-10-31 91.95 1997-11-30 91.58 1997-12-31 91.49 1998-01-31 91.2 1998-02-28 91.36 1998-03-31 90.8 1998-04-30 91.34 1998-05-31 91.97 1998-06-30 91.62 1998-07-31 92.23 1998-08-31 92.1 1998-09-30 92.9 1998-10-31 92.88 1998-11-30 92.83 1998-12-31 92.95 1999-01-31 92.24 1999-02-28 91.97 1999-03-31 91.5 1999-04-30 91.16 1999-05-31 91.03 1999-06-30 90.87 1999-07-31 91.18 1999-08-31 90.89 1999-09-30 90.72 1999-10-31 90.46 1999-11-30 89.87 1999-12-31 89.67 2000-01-31 89.29 2000-02-29 89.27 2000-03-31 88.82 2000-04-30 88.19 2000-05-31 89.07 2000-06-30 89.47 2000-07-31 89.08 2000-08-31 88.51 2000-09-30 88.27 2000-10-31 87.73 2000-11-30 88.58 2000-12-31 89.53 2001-01-31 89.65 2001-02-28 89.7 2001-03-31 89.27 2001-04-30 89.24 2001-05-31 88.37 2001-06-30 88.61 2001-07-31 89.07 2001-08-31 89.56 2001-09-30 89.51 2001-10-31 89.42 2001-11-30 89.51 2001-12-31 89.27