March 31, 2006 |1975Q1| 61.66 March 31, 2006 |1975Q2| 62.96 March 31, 2006 |1975Q3| 62.36 March 31, 2006 |1975Q4| 63.28 March 31, 2006 |1976Q1| 64.39 March 31, 2006 |1976Q2| 66.30 March 31, 2006 |1976Q3| 66.83 March 31, 2006 |1976Q4| 68.13 March 31, 2006 |1977Q1| 70.12 March 31, 2006 |1977Q2| 72.82 March 31, 2006 |1977Q3| 74.75 March 31, 2006 |1977Q4| 77.20 March 31, 2006 |1978Q1| 79.59 March 31, 2006 |1978Q2| 82.44 March 31, 2006 |1978Q3| 84.96 March 31, 2006 |1978Q4| 87.54 March 31, 2006 |1979Q1| 91.41 March 31, 2006 |1979Q2| 93.97 March 31, 2006 |1979Q3| 96.01 March 31, 2006 |1979Q4| 97.91 March 31, 2006 |1980Q1|100.00 March 31, 2006 |1980Q2|101.05 March 31, 2006 |1980Q3|104.27 March 31, 2006 |1980Q4|104.64 March 31, 2006 |1981Q1|105.77 March 31, 2006 |1981Q2|107.84 March 31, 2006 |1981Q3|109.24 March 31, 2006 |1981Q4|109.61 March 31, 2006 |1982Q1|110.97 March 31, 2006 |1982Q2|111.52 March 31, 2006 |1982Q3|111.08 March 31, 2006 |1982Q4|112.02 March 31, 2006 |1983Q1|114.01 March 31, 2006 |1983Q2|115.23 March 31, 2006 |1983Q3|116.07 March 31, 2006 |1983Q4|116.55 March 31, 2006 |1984Q1|118.24 March 31, 2006 |1984Q2|120.29 March 31, 2006 |1984Q3|121.45 March 31, 2006 |1984Q4|122.77 March 31, 2006 |1985Q1|124.57 March 31, 2006 |1985Q2|126.63 March 31, 2006 |1985Q3|129.00 March 31, 2006 |1985Q4|130.78 March 31, 2006 |1986Q1|133.33 March 31, 2006 |1986Q2|136.27 March 31, 2006 |1986Q3|138.85 March 31, 2006 |1986Q4|141.42 March 31, 2006 |1987Q1|144.53 March 31, 2006 |1987Q2|147.28 March 31, 2006 |1987Q3|149.62 March 31, 2006 |1987Q4|150.99 March 31, 2006 |1988Q1|153.68 March 31, 2006 |1988Q2|156.95 March 31, 2006 |1988Q3|158.66 March 31, 2006 |1988Q4|160.34 March 31, 2006 |1989Q1|162.46 March 31, 2006 |1989Q2|164.63 March 31, 2006 |1989Q3|168.43 March 31, 2006 |1989Q4|170.02 March 31, 2006 |1990Q1|170.71 March 31, 2006 |1990Q2|170.66 March 31, 2006 |1990Q3|171.25 March 31, 2006 |1990Q4|170.46 March 31, 2006 |1991Q1|171.76 March 31, 2006 |1991Q2|172.52 March 31, 2006 |1991Q3|172.51 March 31, 2006 |1991Q4|174.87 March 31, 2006 |1992Q1|176.02 March 31, 2006 |1992Q2|175.65 March 31, 2006 |1992Q3|177.42 March 31, 2006 |1992Q4|178.16 March 31, 2006 |1993Q1|177.89 March 31, 2006 |1993Q2|179.37 March 31, 2006 |1993Q3|180.45 March 31, 2006 |1993Q4|181.85 March 31, 2006 |1994Q1|182.70 March 31, 2006 |1994Q2|183.31 March 31, 2006 |1994Q3|183.81 March 31, 2006 |1994Q4|183.36 March 31, 2006 |1995Q1|184.03 March 31, 2006 |1995Q2|187.24 March 31, 2006 |1995Q3|190.16 March 31, 2006 |1995Q4|191.65 March 31, 2006 |1996Q1|193.99 March 31, 2006 |1996Q2|194.18 March 31, 2006 |1996Q3|194.93 March 31, 2006 |1996Q4|196.60 March 31, 2006 |1997Q1|198.40 March 31, 2006 |1997Q2|200.01 March 31, 2006 |1997Q3|202.96 March 31, 2006 |1997Q4|205.63 March 31, 2006 |1998Q1|208.75 March 31, 2006 |1998Q2|210.40 March 31, 2006 |1998Q3|213.30 March 31, 2006 |1998Q4|215.86 March 31, 2006 |1999Q1|218.06 March 31, 2006 |1999Q2|220.99 March 31, 2006 |1999Q3|224.41 March 31, 2006 |1999Q4|226.93 March 31, 2006 |2000Q1|231.64 March 31, 2006 |2000Q2|235.56 March 31, 2006 |2000Q3|240.12 March 31, 2006 |2000Q4|244.07 March 31, 2006 |2001Q1|250.38 March 31, 2006 |2001Q2|254.84 March 31, 2006 |2001Q3|259.08 March 31, 2006 |2001Q4|262.45 March 31, 2006 |2002Q1|266.73 March 31, 2006 |2002Q2|271.72 March 31, 2006 |2002Q3|277.58 March 31, 2006 |2002Q4|281.95 March 31, 2006 |2003Q1|285.70 March 31, 2006 |2003Q2|289.27 March 31, 2006 |2003Q3|294.18 March 31, 2006 |2003Q4|304.09 March 31, 2006 |2004Q1|309.25 March 31, 2006 |2004Q2|317.80 March 31, 2006 |2004Q3|332.24 March 31, 2006 |2004Q4|340.55 March 31, 2006 |2005Q1|349.92 March 31, 2006 |2005Q2|362.74 March 31, 2006 |2005Q3|374.46 March 31, 2006 |2005Q4|385.95 March 31, 2006 |2006Q1|393.78