31-Dec-11 1975Q1 59.88 31-Dec-11 1975Q2 61.18 31-Dec-11 1975Q3 61.28 31-Dec-11 1975Q4 62.35 31-Dec-11 1976Q1 62.95 31-Dec-11 1976Q2 65.57 31-Dec-11 1976Q3 66.64 31-Dec-11 1976Q4 67.59 31-Dec-11 1977Q1 69.44 31-Dec-11 1977Q2 72.67 31-Dec-11 1977Q3 74.33 31-Dec-11 1977Q4 77.13 31-Dec-11 1978Q1 79.52 31-Dec-11 1978Q2 82.78 31-Dec-11 1978Q3 85.25 31-Dec-11 1978Q4 87.43 31-Dec-11 1979Q1 91.39 31-Dec-11 1979Q2 94.36 31-Dec-11 1979Q3 96.37 31-Dec-11 1979Q4 98.37 31-Dec-11 1980Q1 100 31-Dec-11 1980Q2 101.57 31-Dec-11 1980Q3 104.41 31-Dec-11 1980Q4 104.72 31-Dec-11 1981Q1 105.48 31-Dec-11 1981Q2 107.48 31-Dec-11 1981Q3 109.28 31-Dec-11 1981Q4 109.13 31-Dec-11 1982Q1 110.8 31-Dec-11 1982Q2 112.03 31-Dec-11 1982Q3 111.01 31-Dec-11 1982Q4 112.38 31-Dec-11 1983Q1 114.42 31-Dec-11 1983Q2 115.58 31-Dec-11 1983Q3 116.54 31-Dec-11 1983Q4 117.21 31-Dec-11 1984Q1 118.94 31-Dec-11 1984Q2 120.48 31-Dec-11 1984Q3 121.67 31-Dec-11 1984Q4 122.68 31-Dec-11 1985Q1 124.34 31-Dec-11 1985Q2 126.23 31-Dec-11 1985Q3 128.25 31-Dec-11 1985Q4 129.66 31-Dec-11 1986Q1 132.12 31-Dec-11 1986Q2 134.87 31-Dec-11 1986Q3 136.91 31-Dec-11 1986Q4 139.02 31-Dec-11 1987Q1 141.75 31-Dec-11 1987Q2 143.97 31-Dec-11 1987Q3 145.56 31-Dec-11 1987Q4 146.49 31-Dec-11 1988Q1 148.77 31-Dec-11 1988Q2 151.75 31-Dec-11 1988Q3 153.32 31-Dec-11 1988Q4 154.76 31-Dec-11 1989Q1 156.56 31-Dec-11 1989Q2 158.71 31-Dec-11 1989Q3 162.07 31-Dec-11 1989Q4 163.4 31-Dec-11 1990Q1 164.33 31-Dec-11 1990Q2 164.99 31-Dec-11 1990Q3 165.98 31-Dec-11 1990Q4 165.35 31-Dec-11 1991Q1 166.74 31-Dec-11 1991Q2 167.85 31-Dec-11 1991Q3 168.14 31-Dec-11 1991Q4 170.51 31-Dec-11 1992Q1 171.82 31-Dec-11 1992Q2 171.79 31-Dec-11 1992Q3 173.74 31-Dec-11 1992Q4 174.63 31-Dec-11 1993Q1 174.69 31-Dec-11 1993Q2 176.35 31-Dec-11 1993Q3 177.78 31-Dec-11 1993Q4 179.24 31-Dec-11 1994Q1 180.39 31-Dec-11 1994Q2 181.46 31-Dec-11 1994Q3 182.19 31-Dec-11 1994Q4 181.98 31-Dec-11 1995Q1 182.66 31-Dec-11 1995Q2 185.77 31-Dec-11 1995Q3 188.65 31-Dec-11 1995Q4 190.19 31-Dec-11 1996Q1 192.43 31-Dec-11 1996Q2 192.58 31-Dec-11 1996Q3 193.33 31-Dec-11 1996Q4 194.92 31-Dec-11 1997Q1 196.61 31-Dec-11 1997Q2 198.16 31-Dec-11 1997Q3 200.97 31-Dec-11 1997Q4 203.65 31-Dec-11 1998Q1 206.79 31-Dec-11 1998Q2 208.58 31-Dec-11 1998Q3 211.48 31-Dec-11 1998Q4 214.07 31-Dec-11 1999Q1 216.31 31-Dec-11 1999Q2 219.05 31-Dec-11 1999Q3 221.95 31-Dec-11 1999Q4 224.24 31-Dec-11 2000Q1 228.52 31-Dec-11 2000Q2 232.14 31-Dec-11 2000Q3 236.37 31-Dec-11 2000Q4 240.12 31-Dec-11 2001Q1 246.31 31-Dec-11 2001Q2 250.41 31-Dec-11 2001Q3 254.23 31-Dec-11 2001Q4 257.55 31-Dec-11 2002Q1 261.21 31-Dec-11 2002Q2 265.49 31-Dec-11 2002Q3 270.93 31-Dec-11 2002Q4 274.88 31-Dec-11 2003Q1 278.22 31-Dec-11 2003Q2 281.58 31-Dec-11 2003Q3 285.81 31-Dec-11 2003Q4 293.69 31-Dec-11 2004Q1 298.39 31-Dec-11 2004Q2 305.56 31-Dec-11 2004Q3 316.93 31-Dec-11 2004Q4 323.82 31-Dec-11 2005Q1 331.24 31-Dec-11 2005Q2 341.7 31-Dec-11 2005Q3 351.93 31-Dec-11 2005Q4 360.04 31-Dec-11 2006Q1 365.99 31-Dec-11 2006Q2 369.9 31-Dec-11 2006Q3 373.1 31-Dec-11 2006Q4 377.07 31-Dec-11 2007Q1 378.72 31-Dec-11 2007Q2 378.55 31-Dec-11 2007Q3 374.77 31-Dec-11 2007Q4 374.18 31-Dec-11 2008Q1 372.29 31-Dec-11 2008Q2 363.64 31-Dec-11 2008Q3 353.08 31-Dec-11 2008Q4 350.7 31-Dec-11 2009Q1 353.96 31-Dec-11 2009Q2 345.69 31-Dec-11 2009Q3 337.05 31-Dec-11 2009Q4 335.06 31-Dec-11 2010Q1 331.07 31-Dec-11 2010Q2 328.84 31-Dec-11 2010Q3 332.34 31-Dec-11 2010Q4 329.88 31-Dec-11 2011Q1 320.82 31-Dec-11 2011Q2 315.84 31-Dec-11 2011Q3 318.99 31-Dec-11 2011Q4 320.11