1986 02 -9.68 -17.32 -13.50 
1986 03 19.71 -29.08 -24.40 
1986 04 20.89 -31.66 -26.27 
1986 05 22.21 -32.99 -27.60 
1986 06 27.10 -37.70 -32.40 
1986 07 27.33 -40.87 -34.09 
1986 08 28.46 -43.60 -36.03 
1986 09 37.48 -50.18 -43.83 
1986 10 19.69 -31.18 -25.43 
1986 11 12.25 -20.26 -16.25 
1986 12 -4.94 -10.97  -7.96 
1987 01 -2.35  -8.22  -5.29 
1987 02 15.08 -23.07 -19.07 
1987 03 24.91 -36.36 -30.63 
1987 04 27.64 -39.62 -33.62 
1987 05 22.99 -34.82 -28.90 
1987 06 21.96 -32.99 -27.47 
1987 07 25.04 -39.04 -32.04 
1987 08 31.56 -42.03 -36.79 
1987 09 28.51 -39.83 -34.17 
1987 10 19.98 -31.90 -25.93 
1987 11 12.88 -21.05 -16.96 
1987 12 -3.34  -9.82  -6.58 
1988 01 -4.90 -11.35  -8.12 
1988 02 13.24 -21.64 -17.43 
1988 03 22.80 -33.71 -28.25 
1988 04 22.47 -35.81 -29.14 
1988 05 21.31 -33.78 -27.54 
1988 06 24.21 -37.84 -31.02 
1988 07 24.17 -39.81 -31.99 
1988 08 18.24 -29.54 -23.89 
1993 02 10.80 -20.11 -15.45 
1993 03 22.18 -32.54 -27.36 
1993 04 20.12 -31.23 -25.68 
1993 05 27.71 -39.79 -33.75 
1993 06 22.02 -34.06 -28.04 
1993 07 19.62 -31.76 -25.69 
1993 08 33.91 -46.61 -40.26 
1993 09 24.08 -36.03 -30.05 
1993 10 21.79 -31.18 -26.48 
1993 11 -8.01 -15.01 -11.51 
1993 12 -6.56 -13.29  -9.92 
1994 01 -4.25 -10.54  -7.39 
1994 02 12.25 -19.54 -15.89 
1994 03 22.20 -32.50 -27.35 
1994 04 16.64 -27.18 -21.91 
1994 05 29.85 -42.19 -36.02 
1994 06 22.63 -36.41 -29.52 
1994 07 26.29 -38.83 -32.56 
1994 08 28.09 -41.47 -34.78 
1994 09 33.18 -46.03 -39.60 
1994 10 17.37 -28.85 -23.11 
1994 11 -8.42 -15.59 -12.00 
1994 12 -2.52  -8.80  -5.66 
1995 01 -4.42 -10.22  -7.33 
1995 02 -9.97 -18.50 -14.24 
1995 03 22.89 -33.38 -28.13 
1995 04 25.22 -35.38 -30.30 
1995 05 30.18 -42.63 -36.40 
1995 06 19.12 -32.52 -25.82 
1995 07 30.59 -43.04 -36.81 
1995 08 25.86 -39.20 -32.53 
1995 09 25.22 -35.37 -30.29 
1995 10 18.54 -31.08 -24.81 
1995 11 -8.96 -17.15 -13.05 
1995 12  -.52  -8.64  -4.58 
1996 01 -2.94  -9.99  -6.46 
1996 02 -8.95 -21.99 -15.46 
1996 03 24.04 -35.50 -29.77 
1996 04 14.53 -26.83 -20.68 
1996 05 28.26 -38.68 -33.47 
1996 06 22.39 -36.06 -29.22 
1996 07 28.86 -41.58 -35.22 
1996 08 20.82 -34.08 -27.45 
1996 09 22.23 -33.08 -27.65 
1996 10 18.91 -31.14 -25.02 
1996 11 -8.10 -18.45 -13.27 
1996 12   .28  -8.68  -4.20 
1997 02 13.53 -20.81 -17.17 
1997 03 21.59 -32.11 -26.85 
1997 04 24.66 -38.31 -31.48 
1997 05 21.29 -35.07 -28.18 
1997 06 20.42 -32.87 -26.64 
1997 07 28.03 -40.00 -34.01 
1997 08 27.24 -40.68 -33.96 
1997 09 24.25 -35.27 -29.76 
1997 10 14.84 -23.49 -19.16 
1997 11 -5.80 -12.70  -9.25 
1997 12 -3.77  -9.08  -6.42 
1998 01 -4.36 -11.87  -8.11 
1998 02 -6.75 -15.42 -11.08 
1998 03 18.87 -28.82 -23.84 
1998 04 28.00 -39.72 -33.86 
1998 05 23.68 -37.56 -30.62 
1998 06 14.20 -25.46 -19.83 
1998 07 25.16 -38.47 -31.81 
1998 08 28.73 -42.15 -35.44 
1998 09 31.89 -45.92 -38.90 
1998 10 19.90 -30.27 -25.08 
1998 11 10.44 -18.04 -14.24 
1998 12 -1.76 -10.37  -6.06 
1999 01  -.84  -7.30  -4.07 
1999 02 11.63 -19.56 -15.59 
1999 03 19.92 -31.69 -25.80 
1999 04 31.24 -43.55 -37.39 
1999 05 25.94 -38.93 -32.43 
1999 06 27.80 -41.40 -34.59 
1999 07 22.89 -34.32 -28.60 
1999 08 30.59 -42.74 -36.66 
1999 09 19.79 -31.89 -25.84 
1999 10 14.54 -26.05 -20.29 
1999 11 -5.63 -13.44  -9.53 
1999 12 -1.82  -9.55  -5.68 
2000 01 -3.70 -10.55  -7.12 
2000 02 11.78 -20.52 -16.15 
2000 03 15.30 -26.94 -21.12 
2000 04 21.94 -32.59 -27.26 
2000 05 24.47 -35.02 -29.74 
2000 06 24.36 -39.03 -31.69 
2000 07 22.77 -35.58 -29.17 
2000 08 25.15 -38.25 -31.70 
2000 09 28.43 -42.21 -35.32 
2000 10 19.67 -31.97 -25.82 
2000 11 -5.71 -13.64  -9.67 
2000 12 -1.75  -9.81  -5.78 
2001 01 -4.81 -14.60  -9.70 
2001 02 -5.93 -17.42 -11.67 
2001 03 18.23 -35.68 -26.95 
2001 04 17.32 -36.12 -26.72 
2001 05 22.71 -37.96 -30.33 
2001 06 18.70 -33.81 -26.26 
2001 07 20.49 -32.63 -26.56 
2001 08 39.00 -52.80 -45.90 
2001 09 21.81 -37.79 -29.80 
2001 10 20.09 -33.31 -26.70 
2001 11 -7.22 -17.85 -12.53 
2001 12  1.19  -8.93  -3.87 
2002 01   .40 -12.81  -6.20 
2002 02 -7.06 -17.46 -12.26 
2002 03 15.22 -30.48 -22.85 
2002 04 21.06 -36.31 -28.68 
2002 05 19.28 -37.02 -28.15 
2002 06 34.36 -45.26 -39.80 
2002 07 31.60 -48.34 -39.97 
2002 08 32.07 -42.64 -37.35 
2002 09 21.77 -35.37 -28.57 
2002 10 17.57 -34.59 -26.08 
2002 11 14.62 -19.23 -16.92 
2002 12 -6.39 -12.10  -9.24 
2003 01 -3.02 -10.63  -6.82 
2003 02 10.89 -18.06 -14.47 
2003 03 18.26 -27.06 -22.66 
2003 04 22.73 -32.70 -27.71 
2005 02 -9.43 -23.63 -16.53 
2005 03 14.85 -30.03 -22.44 
2005 04 21.20 -40.09 -30.64 
2005 05 18.11 -32.64 -25.37 
2005 06 22.50 -37.31 -29.90 
2005 07 20.44 -36.77 -28.60 
2005 08 26.33 -44.73 -35.53 
2005 09 16.37 -35.90 -26.14 
2005 10 12.71 -29.33 -21.02 
2005 11 -5.43 -18.84 -12.13 
2005 12  3.75 -11.56  -3.90 
2006 01 -1.04 -14.11  -7.57 
2006 02 -7.17 -19.66 -13.41 
2006 03 14.63 -30.44 -22.53 
2006 04 26.50 -43.96 -35.23 
2006 05 28.79 -45.89 -37.34 
2006 06 19.45 -36.24 -27.85 
2006 07 24.73 -44.97 -34.84 
2006 08 18.40 -33.93 -26.16 
2006 09 20.24 -38.50 -29.37 
2006 10 19.49 -34.95 -27.22 
2006 11 -6.64 -19.66 -13.15 
2006 12  -.91 -16.57  -8.74 
2007 01  2.55 -12.51  -4.98 
2007 02 -8.02 -18.66 -13.34 
2007 03 18.03 -34.36 -26.19 
2007 04 16.92 -32.57 -24.74 
2007 05 17.33 -33.81 -25.57 
2007 06 18.34 -34.91 -26.63 
2007 07 20.82 -40.46 -30.64 
2007 08 21.44 -39.68 -30.56 
2007 09 18.89 -34.48 -26.68 
2007 10 20.82 -35.75 -28.29 
2007 11 -7.34 -17.79 -12.57 
2007 12  2.42 -14.49  -6.03 
2008 01 17.06 -53.88 -18.41 
2008 02  2.50 -76.12 -36.81 
2008 03 34.38 -93.16 -63.77 
2008 04 47.85 -94.98 -71.41 
2008 05 45.91 -96.28 -71.09 
2008 06 48.47 -88.31 -68.39 
2008 09 27.73 -72.51 -50.12 
2008 10 41.11 -86.18 -63.64 
2008 11 21.15 -82.51 -51.83 
2008 12 25.46 -78.61 -52.03 
2010 02 10.31 -19.07 -14.69 
2010 03 19.70 -31.69 -25.70 
2010 04 19.04 -31.08 -25.06 
2010 05 24.27 -36.84 -30.56 
2010 06 23.69 -37.70 -30.69 
2010 07 26.45 -39.33 -32.89 
2010 08 23.12 -36.21 -29.66 
2010 09 26.57 -39.05 -32.80 
2010 10 16.59 -28.33 -22.46 
2010 11 -9.96 -17.46 -13.71 
2010 12 -4.71  -9.89  -7.30 
2011 01 -6.17 -13.30  -9.73 
2011 02 10.64 -18.87 -14.75 
2011 03 19.73 -30.42 -25.07 
2011 04 18.94 -34.33 -26.63 
2011 05 20.51 -32.34 -26.42 
2011 06 18.54 -30.74 -24.64 
2011 07 16.23 -28.52 -22.37 
2011 08 18.21 -31.60 -24.91 
2011 09 27.24 -39.37 -33.30 
2011 10 14.87 -25.60 -20.23 
2011 11 -7.31 -15.52 -11.41 
2011 12 -2.73  -9.57  -6.14 
2012 01 -5.53 -10.73  -8.13 
2012 02 -8.84 -16.90 -12.87 
2012 03 16.06 -27.67 -21.86 
2012 04 18.81 -30.76 -24.78 
2012 05 17.01 -27.67 -22.34 
2012 06 26.14 -40.08 -33.11 
2012 07 24.90 -35.55 -30.22 
2012 08 28.13 -41.42 -34.77 
2012 09 23.61 -33.36 -28.48 
2012 10 18.16 -27.64 -22.90 
2012 11 11.39 -19.27 -15.33 
2012 12 -2.85  -8.10  -5.47 
2013 01 -3.43  -8.54  -5.98 
2013 02 11.98 -18.85 -15.41 
2013 03 15.33 -24.89 -20.11 
2013 04 27.02 -40.72 -33.87 
2013 05 22.49 -34.48 -28.48 
2013 06 28.54 -41.44 -34.98 
2013 07 26.87 -39.54 -33.20 
2013 08 27.47 -40.98 -34.22 
2013 09 24.08 -37.21 -30.64 
2013 10 17.31 -27.28 -22.29 
2013 11 11.11 -18.40 -14.75 
2013 12 -4.10  -9.91  -7.00 
2014 01 -3.98 -12.45  -8.21 
