March 31, 2011 |1975Q1| 59.84 March 31, 2011 |1975Q2| 61.25 March 31, 2011 |1975Q3| 61.31 March 31, 2011 |1975Q4| 62.37 March 31, 2011 |1976Q1| 63.02 March 31, 2011 |1976Q2| 65.58 March 31, 2011 |1976Q3| 66.68 March 31, 2011 |1976Q4| 67.56 March 31, 2011 |1977Q1| 69.43 March 31, 2011 |1977Q2| 72.61 March 31, 2011 |1977Q3| 74.32 March 31, 2011 |1977Q4| 77.12 March 31, 2011 |1978Q1| 79.55 March 31, 2011 |1978Q2| 82.83 March 31, 2011 |1978Q3| 85.19 March 31, 2011 |1978Q4| 87.47 March 31, 2011 |1979Q1| 91.42 March 31, 2011 |1979Q2| 94.36 March 31, 2011 |1979Q3| 96.38 March 31, 2011 |1979Q4| 98.32 March 31, 2011 |1980Q1|100.00 March 31, 2011 |1980Q2|101.58 March 31, 2011 |1980Q3|104.43 March 31, 2011 |1980Q4|104.76 March 31, 2011 |1981Q1|105.48 March 31, 2011 |1981Q2|107.49 March 31, 2011 |1981Q3|109.27 March 31, 2011 |1981Q4|109.15 March 31, 2011 |1982Q1|110.83 March 31, 2011 |1982Q2|112.07 March 31, 2011 |1982Q3|111.01 March 31, 2011 |1982Q4|112.41 March 31, 2011 |1983Q1|114.44 March 31, 2011 |1983Q2|115.62 March 31, 2011 |1983Q3|116.57 March 31, 2011 |1983Q4|117.23 March 31, 2011 |1984Q1|118.96 March 31, 2011 |1984Q2|120.53 March 31, 2011 |1984Q3|121.69 March 31, 2011 |1984Q4|122.68 March 31, 2011 |1985Q1|124.35 March 31, 2011 |1985Q2|126.25 March 31, 2011 |1985Q3|128.28 March 31, 2011 |1985Q4|129.69 March 31, 2011 |1986Q1|132.15 March 31, 2011 |1986Q2|134.89 March 31, 2011 |1986Q3|136.94 March 31, 2011 |1986Q4|139.04 March 31, 2011 |1987Q1|141.79 March 31, 2011 |1987Q2|143.99 March 31, 2011 |1987Q3|145.58 March 31, 2011 |1987Q4|146.49 March 31, 2011 |1988Q1|148.79 March 31, 2011 |1988Q2|151.76 March 31, 2011 |1988Q3|153.34 March 31, 2011 |1988Q4|154.78 March 31, 2011 |1989Q1|156.56 March 31, 2011 |1989Q2|158.72 March 31, 2011 |1989Q3|162.09 March 31, 2011 |1989Q4|163.41 March 31, 2011 |1990Q1|164.35 March 31, 2011 |1990Q2|165.00 March 31, 2011 |1990Q3|165.99 March 31, 2011 |1990Q4|165.36 March 31, 2011 |1991Q1|166.75 March 31, 2011 |1991Q2|167.86 March 31, 2011 |1991Q3|168.15 March 31, 2011 |1991Q4|170.51 March 31, 2011 |1992Q1|171.83 March 31, 2011 |1992Q2|171.80 March 31, 2011 |1992Q3|173.76 March 31, 2011 |1992Q4|174.63 March 31, 2011 |1993Q1|174.70 March 31, 2011 |1993Q2|176.37 March 31, 2011 |1993Q3|177.80 March 31, 2011 |1993Q4|179.26 March 31, 2011 |1994Q1|180.40 March 31, 2011 |1994Q2|181.48 March 31, 2011 |1994Q3|182.21 March 31, 2011 |1994Q4|182.00 March 31, 2011 |1995Q1|182.68 March 31, 2011 |1995Q2|185.77 March 31, 2011 |1995Q3|188.67 March 31, 2011 |1995Q4|190.19 March 31, 2011 |1996Q1|192.44 March 31, 2011 |1996Q2|192.59 March 31, 2011 |1996Q3|193.34 March 31, 2011 |1996Q4|194.93 March 31, 2011 |1997Q1|196.62 March 31, 2011 |1997Q2|198.17 March 31, 2011 |1997Q3|200.98 March 31, 2011 |1997Q4|203.66 March 31, 2011 |1998Q1|206.81 March 31, 2011 |1998Q2|208.59 March 31, 2011 |1998Q3|211.49 March 31, 2011 |1998Q4|214.08 March 31, 2011 |1999Q1|216.32 March 31, 2011 |1999Q2|219.05 March 31, 2011 |1999Q3|221.96 March 31, 2011 |1999Q4|224.25 March 31, 2011 |2000Q1|228.52 March 31, 2011 |2000Q2|232.14 March 31, 2011 |2000Q3|236.36 March 31, 2011 |2000Q4|240.12 March 31, 2011 |2001Q1|246.29 March 31, 2011 |2001Q2|250.40 March 31, 2011 |2001Q3|254.25 March 31, 2011 |2001Q4|257.56 March 31, 2011 |2002Q1|261.25 March 31, 2011 |2002Q2|265.56 March 31, 2011 |2002Q3|271.01 March 31, 2011 |2002Q4|274.97 March 31, 2011 |2003Q1|278.33 March 31, 2011 |2003Q2|281.67 March 31, 2011 |2003Q3|285.91 March 31, 2011 |2003Q4|293.85 March 31, 2011 |2004Q1|298.51 March 31, 2011 |2004Q2|305.65 March 31, 2011 |2004Q3|317.01 March 31, 2011 |2004Q4|323.85 March 31, 2011 |2005Q1|331.29 March 31, 2011 |2005Q2|341.75 March 31, 2011 |2005Q3|351.99 March 31, 2011 |2005Q4|360.16 March 31, 2011 |2006Q1|366.15 March 31, 2011 |2006Q2|370.14 March 31, 2011 |2006Q3|373.42 March 31, 2011 |2006Q4|377.39 March 31, 2011 |2007Q1|379.14 March 31, 2011 |2007Q2|379.04 March 31, 2011 |2007Q3|375.43 March 31, 2011 |2007Q4|375.00 March 31, 2011 |2008Q1|373.36 March 31, 2011 |2008Q2|364.98 March 31, 2011 |2008Q3|354.72 March 31, 2011 |2008Q4|352.58 March 31, 2011 |2009Q1|356.00 March 31, 2011 |2009Q2|347.65 March 31, 2011 |2009Q3|339.27 March 31, 2011 |2009Q4|337.34 March 31, 2011 |2010Q1|333.38 March 31, 2011 |2010Q2|331.64 March 31, 2011 |2010Q3|334.74 March 31, 2011 |2010Q4|331.91 March 31, 2011 |2011Q1|322.89