1973 02 -9.51 -18.79 -14.15 
1973 03 -1.63 -12.23  -6.93 
1973 04  2.08  -5.05  -1.48 
1973 05  8.33    .24   4.28 
1973 06 18.04   7.95  13.00 
1973 07 23.95  10.57  17.26 
1973 08 15.86   4.80  10.33 
1999 12 10.80 -20.26 -15.53 
2000 02 -6.62 -14.64 -10.63 
2000 03 -1.99 -10.93  -6.46 
2000 04  3.10  -5.04   -.97 
2000 05 10.48   1.73   6.10 
2000 06 15.42   6.68  11.05 
2000 07 19.51  10.08  14.79 
2000 08 16.37   6.69  11.53 
2000 09 10.96   2.08   6.52 
2000 10  6.15   1.49   3.82 
2000 11   .14  -3.21  -1.53 
2000 12 -7.37 -14.86 -11.11 
2001 01 -3.81 -10.02  -6.91 
2001 02 -8.92 -19.67 -14.29 
2001 03 -5.66 -19.25 -12.45 
2001 04  3.40  -8.00  -2.30 
2001 05  8.85    .57   4.71 
2001 07 18.99  10.65  14.82 
2001 08 16.58   7.16  11.87 
2001 09 11.67   5.71   8.69 
2001 10  2.28  -2.83   -.27 
2001 11 -3.62 -12.35  -7.98 
2001 12 -7.81 -17.11 -12.46 
2002 01 -8.82 -19.78 -14.30 
2002 02 -5.73 -14.56 -10.14 
2002 03 -2.33 -13.39  -7.86 
2002 04  6.74  -1.55   2.59 
2002 05 13.53   2.18   7.85 
2002 06 20.14   8.93  14.53 
2002 07 20.39  11.39  15.89 
2002 08 19.12   8.63  13.87 
2002 09  9.70   1.77   5.73 
2002 10   .66  -4.55  -1.94 
2002 11 -8.08 -16.45 -12.27 
2002 12 10.35 -19.94 -15.14 
2003 01 14.74 -26.32 -20.53 
2003 02 -2.76 -12.06  -7.41 
2003 03   .71  -8.01  -3.65 
2003 04  3.85  -6.95  -1.55 
2003 05 11.52   2.19   6.85 
2003 06 15.32   5.81  10.56 
2003 07 23.45  12.11  17.78 
2003 08 16.01   7.76  11.88 
2003 09 11.66   2.15   6.90 
2003 10  2.67  -3.43   -.38 
2003 11 -1.86  -9.00  -5.43 
2003 12 -6.38 -17.86 -12.12 
2004 01 -8.45 -15.76 -12.10 
2004 02 -7.73 -18.90 -13.31 
2004 03 -1.75 -11.04  -6.39 
2004 04  5.36  -6.11   -.37 
2004 05 10.04    .97   5.50 
2004 06 14.59   5.61  10.10 
2004 07 20.45  11.21  15.83 
2004 08 16.16   8.28  12.21 
2004 09 10.52   4.64   7.58 
2004 10  2.71  -3.04   -.16 
2004 11 -6.11 -14.04 -10.07 
2004 12 -2.86 -12.78  -7.82 
2005 01 -4.44 -11.05  -7.74 
2005 02 -6.77 -15.39 -11.08 
2005 03 -3.57 -14.73  -9.14 
2005 04  4.65  -3.74    .45 
2005 05  8.10    .14   4.12 
2005 06 17.21   8.05  12.63 
2005 07 21.29   9.89  15.59 
2005 08 17.28   8.54  12.91 
2005 09 11.19   2.58   6.88 
2005 10  5.05  -1.37   1.84 
2005 11   .79  -4.84  -2.02 
2005 12 -7.78 -15.91 -11.84 
2006 01 -7.81 -16.62 -12.21 
2006 02 -8.92 -18.43 -13.67 
2006 03 -5.47 -17.56 -11.51 
2006 04  4.57  -3.60    .48 
2006 05 11.45   1.46   6.45 
2006 06 17.35   7.98  12.66 
2006 07 19.83   9.24  14.53 
2006 08 20.59   7.55  14.07 
2006 09 10.30   3.41   6.85 
2006 10   .75  -6.02  -2.63 
2006 11 -3.21  -8.20  -5.70 
2006 12 -2.13  -9.76  -5.94 
2007 01 -9.12 -19.79 -14.45 
2007 02 13.47 -22.49 -17.98 
2007 03  1.95  -7.15  -2.60 
2007 04  4.89  -4.96    .-3 
2007 05  9.14   1.43   5.28 
2007 06 16.34   6.28  11.31 
2007 07 18.37   9.75  14.06 
2007 09  9.47   1.64   5.56 
2007 10  5.87   1.08   3.47 
2007 11 -3.20  -9.04  -6.12 
2007 12  -.84  -8.35  -4.59 
2008 01 -5.44 -14.61 -10.02 
2008 02 -5.28 -14.55  -9.91 
2008 03 -4.12 -13.15  -8.63 
2008 04  2.58  -5.88  -1.65 
2008 05  8.35    .13   4.24 
2008 06 15.46   6.21  10.83 
2008 07 18.28   9.29  13.78 
2008 08 13.92   6.51  10.21 
2008 09  9.25   1.52   5.38 
2008 10  3.00  -2.81    . 9 
2008 11 -2.92 -12.07  -7.49 
2008 12 -2.14  -9.13  -5.63 
2009 01 -7.58 -14.54 -11.06 
2009 02 -8.64 -16.62 -12.63 
2009 03 -2.27 -10.82  -6.54 
2009 04  3.27  -6.22  -1.47 
2009 05 13.14   2.74   7.94 
2009 06 15.50   6.48  10.99 
2009 07 18.06   9.05  13.55 
2009 08 19.27   8.60  13.93 
2009 09 12.37   4.64   8.50 
2009 10   .55  -6.53  -2.99 
2009 11  -.87  -4.89  -2.88 
2009 12 -7.29 -16.52 -11.90 
2010 01 10.65 -18.02 -14.33 
2010 02 12.44 -23.80 -18.11 
2010 03 -4.21 -15.19  -9.70 
2010 04  4.27  -2.88    .69 
2010 05 12.79   2.96   7.87 
2010 06 14.77   5.76  10.26 
2010 07 20.11  10.89  15.50 
2010 08 15.39   7.01  11.20 
2010 09 11.35   2.45   6.90 
2010 10  4.21   -.75   1.73 
2010 11 -7.98 -15.76 -11.87 
2010 12 -9.43 -18.17 -13.80 
2011 01 -9.28 -17.70 -13.49 
2011 02 14.06 -22.83 -18.44 
2011 03  -.75 -10.98  -5.86 
2011 04  6.73  -1.55   2.59 
2011 05 10.55   1.81   6.18 
2011 06 19.17   8.95  14.06 
2011 07 20.80  10.98  15.89 
2011 08 16.49   7.56  12.02 
2011 09 11.89   5.88   8.88 
2011 10  4.73    . 8   2.40 
2011 11   .79  -5.37  -2.29 
2011 12 -1.89  -6.95  -4.42 
2012 01 -8.67 -14.35 -11.51 
2012 02 11.53 -20.68 -16.10 
2012 03  -.17  -9.20  -4.68 
2012 04  2.41  -6.95  -2.27 
2012 05  9.76   1.20   5.48 
2012 06 14.21   6.41  10.31 
2012 07 17.95   8.96  13.45 
2012 08 17.17   5.77  11.47 
2012 09 10.21   2.80   6.50 
2012 10  2.14  -2.78   -.31 
2012 11 -1.31  -8.32  -4.81 
2012 12 11.22 -18.51 -14.86 
2013 01 -6.66 -15.25 -10.95 
2013 02 -5.40 -12.63  -9.01 
2013 03 -5.76 -19.52 -12.64 
2013 04  3.20  -5.46  -1.13 
2013 05 14.12   3.70   8.91 
2013 06 18.45   9.32  13.89 
2013 07 18.52   9.37  13.94 
2013 08 18.54   7.80  13.17 
2013 09 12.71   5.68   9.19 
2013 10  3.04  -3.08    .-1 
2013 11 -2.78 -11.25  -7.01 
2013 12 -4.50 -13.38  -8.94 
2014 01 10.62 -18.27 -14.44 
