1971 01 99.99 -99.99 -36.90 
1971 02 99.99 -99.99 -39.80 
1971 03 99.99 -99.99 -30.70 
1971 04 99.99 -99.99 -24.80 
1971 05 99.99 -99.99 -11.80 
1971 06 99.99 -99.99   2.00 
1971 07 99.99 -99.99   4.69 
1971 08 99.99 -99.99   -.60 
1971 09 99.99 -99.99  -5.50 
1971 10 99.99 -99.99 -17.50 
1971 11 99.99 -99.99 -27.80 
1971 12 99.99 -99.99 -34.70 
1972 01 99.99 -99.99 -35.50 
1972 02 99.99 -99.99 -39.50 
1972 03 99.99 -99.99 -32.59 
1972 04 99.99 -99.99 -28.00 
1972 05 99.99 -99.99 -14.60 
1972 06 99.99 -99.99  -2.60 
1972 07 99.99 -99.99   1.50 
1972 08 99.99 -99.99   -.50 
1972 09 99.99 -99.99 -10.50 
1972 10 99.99 -99.99 -24.00 
1972 11 99.99 -99.99 -30.20 
1972 12 99.99 -99.99 -37.09 
1973 01 99.99 -99.99 -35.20 
1973 02 99.99 -99.99 -39.50 
1973 03 99.99 -99.99 -38.50 
1973 04 99.99 -99.99 -27.50 
1973 05 99.99 -99.99 -12.10 
1973 06 99.99 -99.99    . 0 
1973 07 99.99 -99.99   3.00 
1973 08 99.99 -99.99   1.50 
1973 09 99.99 -99.99  -8.80 
1973 10 99.99 -99.99 -14.70 
1973 11 99.99 -99.99 -25.80 
1973 12 99.99 -99.99 -29.30 
1974 01 99.99 -99.99 -36.00 
1974 02 99.99 -99.99 -38.20 
1974 03 99.99 -99.99 -37.00 
1974 04 99.99 -99.99 -28.80 
1974 05 99.99 -99.99 -13.80 
1974 06 99.99 -99.99  -4.50 
1974 07 99.99 -99.99   2.60 
1974 08 99.99 -99.99   1.00 
1974 09 99.99 -99.99  -8.89 
1974 10 99.99 -99.99 -20.70 
1974 11 99.99 -99.99 -30.30 
1974 12 99.99 -99.99 -37.20 
1975 01 99.99 -99.99 -39.70 
1975 02 99.99 -99.99 -34.50 
1975 03 99.99 -99.99 -33.80 
1975 04 99.99 -99.99 -26.50 
1975 05 99.99 -99.99 -12.40 
1975 06 99.99 -99.99    .60 
1975 07 99.99 -99.99   1.40 
1975 08 99.99 -99.99   -.70 
1975 09 99.99 -99.99 -11.00 
1975 10 99.99 -99.99 -19.90 
1975 11 99.99 -99.99 -28.60 
1975 12 99.99 -99.99 -32.50 
1976 01 99.99 -99.99 -34.20 
1976 02 99.99 -99.99 -34.70 
1976 03 99.99 -99.99 -33.59 
1976 04 99.99 -99.99 -26.00 
1976 05 99.99 -99.99 -14.40 
1976 06 99.99 -99.99  -1.60 
1976 07 99.99 -99.99   2.90 
1976 08 99.99 -99.99   -.30 
1976 09 99.99 -99.99  -6.70 
1976 10 99.99 -99.99 -21.30 
1976 11 99.99 -99.99 -29.00 
1976 12 99.99 -99.99 -32.09 
1977 01 99.99 -99.99 -26.70 
1977 02 99.99 -99.99 -41.30 
1977 03 99.99 -99.99 -37.30 
1977 04 99.99 -99.99 -25.30 
1977 05 99.99 -99.99 -12.60 
1977 06 99.99 -99.99    .20 
1977 07 99.99 -99.99   4.69 
1977 08 99.99 -99.99    .70 
1977 09 99.99 -99.99  -8.30 
1977 10 99.99 -99.99 -19.29 
1977 11 99.99 -99.99 -31.80 
1977 12 99.99 -99.99 -36.00 
1978 01 99.99 -99.99 -32.30 
1978 02 99.99 -99.99 -29.20 
1978 03 99.99 -99.99 -34.40 
1978 04 99.99 -99.99 -26.60 
1978 05 99.99 -99.99 -12.00 
2004 03 34.25 -40.29 -37.27 
2004 04 21.94 -29.66 -25.80 
2004 05 10.79 -99.99 -99.99 
2004 06   .-5  -4.11  -2.08 
2004 07  1.93  -1.12    .40 
2004 08  1.34  -2.06   -.35 
2004 09 -7.85 -13.27 -10.56 
2004 10 17.95 -22.68 -20.31 
2004 11 25.60 -31.45 -28.52 
2004 12 31.24 -37.73 -34.48 
2005 01 26.97 -33.03 -30.00 
2005 02 31.02 -36.23 -33.62 
2005 03 29.70 -36.72 -33.21 
2005 04 20.84 -27.36 -24.10 
2005 05 -6.32 -11.49  -8.90 
2005 06  1.79  -1.85    .-3 
2005 07  5.00    .26   2.63 
2005 08  3.25  -1.24   1.00 
2005 09 -6.94 -11.67  -9.30 
2005 10 15.61 -22.24 -18.92 
2005 11 20.73 -27.14 -23.93 
2005 12 28.29 -34.00 -31.15 
2006 01 30.72 -35.29 -33.00 
2006 02 26.76 -33.16 -29.96 
2006 03 25.38 -32.52 -28.95 
2006 04 16.68 -22.92 -19.79 
2006 05 -5.37 -10.66  -8.01 
2006 06   .-5  -3.12  -1.58 
2006 07  5.42    .96   3.19 
2006 08  3.31   -.95   1.17 
2006 10 -7.95 -12.83 -10.39 
2006 11 20.66 -27.45 -24.05 
2006 12 27.35 -35.20 -31.27 
2007 01 31.11 -36.50 -33.80 
2007 02 28.10 -34.20 -31.15 
2007 03 32.30 -37.78 -35.04 
2007 04 18.52 -24.56 -21.54 
2007 05 10.09 -15.50 -12.79 
2007 06  2.46  -1.31    .57 
2007 07  9.64   2.97   6.31 
2007 08  4.42   -.35   2.03 
2007 09 -4.13  -9.21  -6.67 
2007 11 23.83 -30.63 -27.23 
2008 01 33.66 -39.79 -36.72 
2008 02 31.54 -37.88 -34.71 
2008 03 31.18 -37.41 -34.29 
2008 04 18.61 -24.95 -21.78 
2008 05 -4.90  -9.88  -7.39 
2008 06  5.46    .25   2.85 
2008 07  8.52   2.64   5.58 
2008 09 -5.53  -9.97  -7.75 
2008 10 14.06 -20.88 -17.46 
2008 12 26.75 -31.78 -29.26 
2009 04 20.79 -27.50 -24.14 
2009 05 -9.00 -13.58 -11.29 
2009 06  2.69  -2.14    .27 
2009 07  7.53   2.75   5.14 
2009 08  5.55    .67   3.11 
2010 06  3.49   -.73   1.38 
2010 07  6.51   1.36   3.93 
2010 08  2.79  -2.04    .37 
2010 09 -5.41 -10.22  -7.82 
2010 10 11.72 -17.78 -14.75 
2010 11 19.03 -25.52 -22.27 
2011 05 -8.79 -13.01 -10.90 
2011 06  4.26   -.49   1.88 
2011 08  6.81   1.58   4.19 
2011 09 -4.89 -11.39  -8.14 
2011 10 14.05 -20.52 -17.28 
2011 11 21.30 -26.54 -23.92 
2012 01 29.05 -33.66 -31.35 
2012 02 30.79 -36.54 -33.66 
2012 03 31.54 -35.30 -33.41 
2012 04 19.41 -25.11 -22.26 
2012 05 -7.61 -12.88 -10.24 
2012 06  5.52   1.15   3.33 
2012 07  8.42   1.90   5.16 
2012 08  4.71    .12   2.41 
2013 05 -9.97 -13.91 -11.94 
2013 06 -1.77  -4.35  -3.06 
2013 07  4.00   -.17   1.91 
2014 04 21.57 -27.53 -24.55 
2014 05 -7.84 -12.02  -9.93 
