1996 01 83.67 1996 02 84.09 1996 03 84.35 1996 04 84.52 1996 05 84.69 1996 06 84.69 1996 07 84.69 1996 08 84.69 1996 09 84.86 1996 10 84.94 1996 11 84.94 1996 12 85.11 1997 01 85.36 1997 02 85.62 1997 03 85.70 1997 04 85.62 1997 05 85.87 1997 06 85.87 1997 07 85.96 1997 08 86.13 1997 09 86.21 1997 10 86.21 1997 11 86.29 1997 12 86.38 1998 01 86.29 1998 02 86.55 1998 03 86.63 1998 04 86.80 1998 05 86.97 1998 06 87.06 1998 07 87.06 1998 08 87.06 1998 09 87.06 1998 10 86.97 1998 11 86.97 1998 12 87.06 1999 01 86.97 1999 02 87.23 1999 03 87.48 1999 04 87.73 1999 05 87.82 1999 06 87.82 1999 07 87.99 1999 08 88.07 1999 09 88.07 1999 10 88.16 1999 11 88.24 1999 12 88.58 2000 01 88.58 2000 02 88.92 2000 03 89.17 2000 04 89.26 2000 05 89.34 2000 06 89.68 2000 07 89.76 2000 08 89.85 2000 09 90.27 2000 10 90.27 2000 11 90.44 2000 12 90.78 2001 01 90.36 2001 02 90.61 2001 03 91.12 2001 04 91.71 2001 05 92.13 2001 06 92.22 2001 07 92.05 2001 08 91.96 2001 09 92.22 2001 10 92.30 2001 11 92.22 2001 12 92.64 2002 01 92.72 2002 02 92.89 2002 03 93.40 2002 04 93.82 2002 05 93.99 2002 06 93.99 2002 07 93.91 2002 08 93.91 2002 09 94.16 2002 10 94.42 2002 11 94.33 2002 12 94.75 2003 01 94.67 2003 02 95.09 2003 03 95.69 2003 04 95.77 2003 05 95.69 2003 06 95.77 2003 07 95.69 2003 08 95.85 2003 09 96.19 2003 10 96.28 2003 11 96.36 2003 12 96.62 2004 01 96.45 2004 02 96.62 2004 03 97.29 2004 04 97.72 2004 05 98.05 2004 06 98.05 2004 07 97.88 2004 08 98.05 2004 09 98.22 2004 10 98.56 2004 11 98.48 2004 12 98.90 2005 01 98.31 2005 02 98.65 2005 03 99.32 2005 04 99.75 2005 05 100.00 2005 06 100.08 2005 07 100.00 2005 08 100.25 2005 09 100.76 2005 10 101.02 2005 11 100.76 2005 12 101.10 2006 01 100.66 2006 02 100.95 2006 03 101.53 2006 04 102.20 2006 05 102.48 2006 06 102.56 2006 07 102.43 2006 08 102.52 2006 09 102.52 2006 10 102.60 2006 11 102.64 2006 12 103.04 2007 01 102.51 2007 02 102.81 2007 03 103.50 2007 04 104.15 2007 05 104.40 2007 06 104.50 2007 07 104.25 2007 08 104.31 2007 09 104.71 2007 10 105.22 2007 11 105.78 2007 12 106.20 2008 01 105.80 2008 02 106.17 2008 03 107.21 2008 04 107.55 2008 05 108.23 2008 06 108.64 2008 07 108.47 2008 08 108.32 2008 09 108.52 2008 10 108.55 2008 11 108.02 2008 12 107.88 2009 01 106.98 2009 02 107.42 2009 03 107.82 2009 04 108.21 2009 05 108.27 2009 06 108.48 2009 07 107.76 2009 08 108.13 2009 09 108.16