Mar 31, 2008 |1975Q1| 60.97 Mar 31, 2008 |1975Q2| 62.04 Mar 31, 2008 |1975Q3| 61.89 Mar 31, 2008 |1975Q4| 62.81 Mar 31, 2008 |1976Q1| 64.02 Mar 31, 2008 |1976Q2| 65.97 Mar 31, 2008 |1976Q3| 66.58 Mar 31, 2008 |1976Q4| 67.80 Mar 31, 2008 |1977Q1| 70.04 Mar 31, 2008 |1977Q2| 72.66 Mar 31, 2008 |1977Q3| 74.67 Mar 31, 2008 |1977Q4| 77.04 Mar 31, 2008 |1978Q1| 79.49 Mar 31, 2008 |1978Q2| 82.36 Mar 31, 2008 |1978Q3| 84.89 Mar 31, 2008 |1978Q4| 87.53 Mar 31, 2008 |1979Q1| 91.49 Mar 31, 2008 |1979Q2| 94.07 Mar 31, 2008 |1979Q3| 96.14 Mar 31, 2008 |1979Q4| 97.92 Mar 31, 2008 |1980Q1|100.00 Mar 31, 2008 |1980Q2|101.10 Mar 31, 2008 |1980Q3|104.38 Mar 31, 2008 |1980Q4|104.64 Mar 31, 2008 |1981Q1|105.72 Mar 31, 2008 |1981Q2|107.64 Mar 31, 2008 |1981Q3|108.97 Mar 31, 2008 |1981Q4|109.40 Mar 31, 2008 |1982Q1|110.74 Mar 31, 2008 |1982Q2|111.13 Mar 31, 2008 |1982Q3|110.68 Mar 31, 2008 |1982Q4|111.38 Mar 31, 2008 |1983Q1|113.56 Mar 31, 2008 |1983Q2|114.81 Mar 31, 2008 |1983Q3|115.59 Mar 31, 2008 |1983Q4|116.02 Mar 31, 2008 |1984Q1|117.80 Mar 31, 2008 |1984Q2|119.71 Mar 31, 2008 |1984Q3|120.81 Mar 31, 2008 |1984Q4|122.08 Mar 31, 2008 |1985Q1|123.78 Mar 31, 2008 |1985Q2|125.71 Mar 31, 2008 |1985Q3|127.89 Mar 31, 2008 |1985Q4|129.45 Mar 31, 2008 |1986Q1|131.84 Mar 31, 2008 |1986Q2|134.60 Mar 31, 2008 |1986Q3|136.83 Mar 31, 2008 |1986Q4|139.03 Mar 31, 2008 |1987Q1|141.88 Mar 31, 2008 |1987Q2|144.30 Mar 31, 2008 |1987Q3|146.11 Mar 31, 2008 |1987Q4|147.12 Mar 31, 2008 |1988Q1|149.67 Mar 31, 2008 |1988Q2|152.70 Mar 31, 2008 |1988Q3|154.21 Mar 31, 2008 |1988Q4|155.72 Mar 31, 2008 |1989Q1|157.76 Mar 31, 2008 |1989Q2|159.96 Mar 31, 2008 |1989Q3|163.51 Mar 31, 2008 |1989Q4|164.94 Mar 31, 2008 |1990Q1|165.62 Mar 31, 2008 |1990Q2|165.88 Mar 31, 2008 |1990Q3|166.60 Mar 31, 2008 |1990Q4|165.95 Mar 31, 2008 |1991Q1|167.37 Mar 31, 2008 |1991Q2|168.36 Mar 31, 2008 |1991Q3|168.49 Mar 31, 2008 |1991Q4|170.82 Mar 31, 2008 |1992Q1|172.08 Mar 31, 2008 |1992Q2|171.92 Mar 31, 2008 |1992Q3|173.79 Mar 31, 2008 |1992Q4|174.61 Mar 31, 2008 |1993Q1|174.57 Mar 31, 2008 |1993Q2|176.12 Mar 31, 2008 |1993Q3|177.39 Mar 31, 2008 |1993Q4|178.86 Mar 31, 2008 |1994Q1|179.87 Mar 31, 2008 |1994Q2|180.82 Mar 31, 2008 |1994Q3|181.49 Mar 31, 2008 |1994Q4|181.21 Mar 31, 2008 |1995Q1|181.95 Mar 31, 2008 |1995Q2|185.16 Mar 31, 2008 |1995Q3|188.04 Mar 31, 2008 |1995Q4|189.57 Mar 31, 2008 |1996Q1|191.89 Mar 31, 2008 |1996Q2|192.21 Mar 31, 2008 |1996Q3|193.06 Mar 31, 2008 |1996Q4|194.73 Mar 31, 2008 |1997Q1|196.51 Mar 31, 2008 |1997Q2|198.09 Mar 31, 2008 |1997Q3|201.02 Mar 31, 2008 |1997Q4|203.66 Mar 31, 2008 |1998Q1|206.74 Mar 31, 2008 |1998Q2|208.31 Mar 31, 2008 |1998Q3|211.20 Mar 31, 2008 |1998Q4|213.73 Mar 31, 2008 |1999Q1|215.82 Mar 31, 2008 |1999Q2|218.68 Mar 31, 2008 |1999Q3|221.90 Mar 31, 2008 |1999Q4|224.28 Mar 31, 2008 |2000Q1|228.73 Mar 31, 2008 |2000Q2|232.41 Mar 31, 2008 |2000Q3|236.74 Mar 31, 2008 |2000Q4|240.50 Mar 31, 2008 |2001Q1|246.68 Mar 31, 2008 |2001Q2|250.82 Mar 31, 2008 |2001Q3|254.74 Mar 31, 2008 |2001Q4|257.97 Mar 31, 2008 |2002Q1|261.76 Mar 31, 2008 |2002Q2|266.19 Mar 31, 2008 |2002Q3|271.67 Mar 31, 2008 |2002Q4|275.67 Mar 31, 2008 |2003Q1|279.04 Mar 31, 2008 |2003Q2|282.34 Mar 31, 2008 |2003Q3|286.77 Mar 31, 2008 |2003Q4|295.13 Mar 31, 2008 |2004Q1|299.99 Mar 31, 2008 |2004Q2|307.40 Mar 31, 2008 |2004Q3|319.12 Mar 31, 2008 |2004Q4|326.51 Mar 31, 2008 |2005Q1|334.37 Mar 31, 2008 |2005Q2|344.98 Mar 31, 2008 |2005Q3|355.61 Mar 31, 2008 |2005Q4|364.44 Mar 31, 2008 |2006Q1|371.36 Mar 31, 2008 |2006Q2|375.46 Mar 31, 2008 |2006Q3|379.37 Mar 31, 2008 |2006Q4|384.90 Mar 31, 2008 |2007Q1|387.67 Mar 31, 2008 |2007Q2|388.59 Mar 31, 2008 |2007Q3|387.25 Mar 31, 2008 |2007Q4|388.43 Mar 31, 2008 |2008Q1|387.54