1998 02 28.50 -37.00 -32.75 
1998 03 21.50 -29.40 -25.45 
1998 04 10.30 -20.50 -15.40 
1998 05 -2.30  -8.89  -5.60 
1998 06  6.80   1.40   4.10 
1998 07 11.00   3.20   7.10 
1998 08  8.80   3.20   6.00 
1998 09  2.20  -1.60    .30 
1998 10 -8.70 -15.20 -11.95 
1998 11 13.00 -19.10 -16.04 
1998 12 17.10 -25.20 -21.15 
1999 01 26.70 -33.40 -30.05 
1999 02 24.50 -33.00 -28.75 
1999 03 22.10 -30.40 -26.25 
1999 04 16.70 -27.20 -21.95 
1999 05 -4.90 -13.70  -9.30 
1999 06  4.40   -.70   1.85 
1999 07  7.40   2.20   4.80 
1999 08  7.00    .70   3.85 
1999 09  1.00  -2.70   -.85 
1999 10 11.50 -17.10 -14.30 
1999 11 18.29 -26.60 -22.45 
1999 12 31.20 -37.80 -34.50 
2000 01 24.70 -32.70 -28.70 
2000 02 29.40 -37.09 -33.25 
2000 03 25.50 -33.80 -29.65 
2000 04 16.79 -25.90 -21.34 
2000 05 -7.30 -14.20 -10.75 
2000 06  8.10    .70   4.40 
2000 07  9.39   2.40   5.89 
2000 08  4.00   -.80   1.60 
2000 09 -1.50  -6.70  -4.10 
2000 10 11.50 -19.40 -15.45 
2000 11 23.40 -30.40 -26.90 
2000 12 25.90 -33.00 -29.45 
2001 01 28.20 -36.70 -32.45 
2001 02 25.20 -34.09 -29.65 
2001 03 27.80 -36.00 -31.90 
2001 04 16.10 -25.50 -20.80 
2001 05 -5.00 -13.60  -9.30 
2001 06  5.00    . 0   2.50 
2001 07 10.40   2.60   6.50 
2001 08  5.90   -.10   2.90 
2001 09  2.70  -1.80    .45 
2001 10 13.10 -21.30 -17.20 
2001 11 18.00 -25.90 -21.95 
2001 12 18.79 -27.00 -22.90 
2002 01 28.20 -35.00 -31.60 
2002 02 30.50 -37.90 -34.20 
2002 03 22.50 -31.10 -26.80 
2002 04 19.00 -28.10 -23.55 
2002 05 -5.30 -12.90  -9.10 
2002 06  5.40   -.60   2.40 
2002 07  8.80   2.00   5.40 
2002 08  6.80   1.30   4.05 
2002 09  2.00  -2.80   -.39 
2002 10 -8.00 -13.60 -10.80 
2002 11 21.00 -28.90 -24.95 
2002 12 18.60 -26.60 -22.60 
2003 01 23.20 -32.00 -27.60 
2003 02 28.40 -35.20 -31.80 
2003 03 25.30 -33.59 -29.45 
2003 04 14.70 -25.50 -20.10 
2003 05 -5.40 -12.50  -8.95 
2003 06  2.50  -1.80    .35 
2003 07  9.89   2.60   6.25 
2003 08  5.30   -.20   2.55 
2003 09   .40  -4.30  -1.95 
2003 10 -8.60 -15.70 -12.15 
2003 11 16.50 -24.70 -20.60 
2003 12 27.90 -34.70 -31.30 
2004 01 24.55 -32.66 -28.60 
2004 02 31.61 -39.00 -35.30 
2004 03 29.27 -37.82 -33.54 
2004 04 16.46 -28.01 -22.24 
2004 05 -7.54 -15.24 -11.39 
2004 06  4.73   -.79   1.97 
2004 07  8.39   1.64   5.02 
2004 08  5.96    .93   3.44 
2004 09 -2.60  -7.32  -4.96 
2004 10 15.49 -22.30 -18.89 
2004 11 19.23 -27.53 -23.38 
2004 12 25.63 -32.95 -29.29 
2005 01 25.39 -32.99 -29.19 
2005 02 31.68 -38.82 -35.25 
2005 03 25.49 -34.07 -29.78 
2005 04 14.07 -24.23 -19.15 
2005 05 -3.20 -10.48  -6.83 
2005 06  4.58   -.24   2.17 
2005 07  6.28   1.53   3.90 
2005 08  6.24   1.14   3.68 
2005 09 -2.60  -6.47  -4.53 
2005 10 10.68 -17.62 -14.15 
2005 11 99.99 -26.08 -99.99 
2005 12 22.81 -31.24 -27.02 
2006 01 23.53 -30.47 -27.00 
2006 02 19.79 -28.85 -24.32 
2006 03 22.50 -32.24 -27.37 
2006 04 14.93 -24.27 -19.60 
2006 05   . 1  -7.17  -3.58 
2006 06  5.75    .-9   2.83 
2006 07  9.83   3.15   6.49 
2006 08 10.14   2.19   6.16 
2007 08  6.56   1.25   3.90 
2007 09  -.42  -4.17  -2.30 
2007 11 21.35 -29.34 -25.34 
2008 02 27.96 -35.38 -31.67 
2008 03 27.45 -36.09 -31.77 
2008 04 15.40 -27.44 -21.42 
2008 05 -2.41  -9.00  -5.70 
2008 06  7.39   1.29   4.34 
2008 09 -1.80  -6.50  -4.15 
2008 10 -7.51 -15.57 -11.54 
2008 11 18.27 -26.17 -22.22 
2008 12 22.34 -30.10 -26.22 
2009 01 23.79 -32.36 -28.07 
2009 02 28.16 -35.80 -31.98 
2009 03 32.18 -39.54 -35.86 
2009 04 17.25 -28.78 -23.01 
2009 05 -5.65 -12.30  -8.97 
2009 06  5.60    .13   2.86 
2009 07  6.44   1.40   3.92 
2009 08  8.83   1.95   5.39 
2009 09   .23  -4.17  -1.97 
2009 10 10.66 -18.03 -14.34 
2009 11 16.52 -23.05 -19.78 
2009 12 21.46 -29.16 -25.31 
2010 01 25.64 -34.39 -30.01 
2010 02 22.96 -29.82 -26.39 
2010 03 18.78 -28.09 -23.43 
2010 04 -7.22 -17.26 -12.24 
2010 05 -3.81  -8.81  -6.31 
2010 06  8.68   2.57   5.62 
2010 07 13.09   4.54   8.81 
2010 08  6.70    .48   3.59 
2010 09   .94  -3.23  -1.14 
2010 10 -6.47 -11.84  -9.15 
2010 12 24.34 -31.23 -27.78 
2011 01 25.71 -33.73 -29.72 
2011 02 24.41 -32.68 -28.54 
2011 03 20.49 -28.50 -24.49 
2011 04 17.12 -24.81 -20.96 
2011 05 -2.14 -12.19  -7.16 
2011 06  5.20    .42   2.81 
2011 07 13.58   4.61   9.09 
2011 08 10.87   3.47   7.17 
2011 09  2.09  -2.42   -.16 
2011 10 -8.10 -15.21 -11.65 
2011 11 18.87 -25.29 -22.08 
2011 12 26.17 -33.63 -29.90 
2012 01 25.58 -33.97 -29.77 
2012 02 26.85 -34.32 -30.58 
2012 03 28.48 -36.58 -32.53 
2012 04 16.43 -27.46 -21.94 
2012 05 -2.26 -11.27  -6.76 
2012 06  9.92   3.07   6.49 
2012 07 13.50   5.07   9.28 
2012 08  8.05   2.17   5.11 
2012 09  2.29  -1.56    .36 
2012 11 16.84 -25.28 -21.06 
2012 12 23.60 -30.90 -27.25 
2013 01 27.45 -35.23 -31.34 
2013 02 36.74 -41.82 -39.28 
2013 03 24.53 -33.23 -28.88 
2013 04 15.86 -24.15 -20.00 
2013 05 -4.94 -13.58  -9.26 
2013 06  5.23   -.97   2.13 
