1988 01   3.11  -8.68  -2.78 
1988 02   8.82  -5.60   1.60 
1988 03   8.85  -3.46   2.69 
1988 04  16.46   0.40   8.43 
1988 05  20.20   2.53  11.37 
1988 06  26.92   7.53  17.22 
1988 07  31.56  10.34  20.95 
1988 08  29.82   7.43  18.62 
1988 09  22.99   2.82  12.90 
1988 11   7.92  -2.72   2.60 
1988 12   3.74  -8.89  -2.57 
1989 01   4.09 -10.24  -3.07 
1989 02   1.03 -10.34  -4.65 
1989 03  10.47  -1.70   4.38 
1989 04  17.29   0.69   8.99 
1989 05  19.31   1.98  10.64 
1989 06  25.79   5.82  15.80 
1989 07  32.14   9.34  20.74 
1989 08  27.46   7.76  17.61 
1989 09  24.44   2.93  13.68 
1989 10  16.52  -0.09   8.21 
1989 11  11.07  -4.71   3.17 
1989 12   7.08  -6.49   0.29 
1990 01   4.56  -7.96  -1.70 
1990 02   4.50  -9.46  -2.48 
1990 03  10.81  -2.59   4.11 
1990 04  17.87   1.78   9.82 
1990 05  17.43   1.82   9.62 
1990 06  25.11   5.25  15.18 
1990 07  29.70   9.35  19.52 
1990 08  27.83   9.05  18.44 
1990 09  26.90   5.58  16.24 
1990 10  18.14  -1.05   8.54 
1990 11  11.22  -3.65   3.78 
1990 12   2.78 -13.74  -5.48 
1991 01   4.33  -9.45  -2.56 
1991 02  11.41  -3.79   3.81 
1991 03   8.64  -3.20   2.72 
1991 04  11.24  -1.92   4.66 
1991 05  16.00   1.46   8.72 
1991 06  22.79   3.74  13.26 
1991 07  30.10   8.87  19.48 
1991 08  29.75   9.60  19.67 
1991 09  24.21   4.92  14.56 
1991 10  18.10   -.82   8.64 
1991 11   7.85  -2.46   2.69 
1991 12   6.61  -7.35   -.36 
1992 01   6.85  -6.22   0.31 
1992 02  10.00  -3.21   3.39 
1992 03  13.49  -2.26   5.61 
1992 04  18.21   1.04   9.62 
1992 05  24.44   4.30  14.37 
1992 06 -99.99   7.06 -99.99 
1992 07  27.90   7.66  17.77 
1992 08  29.46   8.89  19.18 
1992 09  25.35   3.12  14.23 
1992 10  19.15   0.81   9.97 
1992 11   6.63  -4.31   1.16 
1993 02   2.32  -7.23  -2.45 
1993 03  10.67  -1.33   4.67 
1993 04 -99.99   -.66 -99.99 
1993 05  21.17   4.51  12.84 
1993 06  21.24   4.85  13.04 
1993 07  23.91   5.06  14.48 
1993 08  26.79   5.83  16.31 
1993 09  24.45   2.83  13.64 
1993 10 -99.99   0.13 -99.99 
1993 11   7.82  -9.32   -.74 
1993 12   5.20  -7.40  -1.10 
1994 01   8.18  -5.94   1.12 
1994 08  31.67   8.62  20.14 
1994 09  26.24   4.19  15.21 
1994 10 -99.99   0.21 -99.99 
1994 11   4.19  -5.83   -.81 
1994 12 -99.99  -6.38 -99.99 
1995 01   5.28  -4.35   0.46 
1995 02  12.45  -3.71   4.37 
1995 03 -99.99  -2.88 -99.99 
1995 04 -99.99   -.83 -99.99 
1995 05 -99.99   2.52 -99.99 
1995 06  20.18   4.84  12.51 
1995 07 -99.99   8.04 -99.99 
1995 08 -99.99   7.10 -99.99 
1995 09 -99.99   4.41 -99.99 
1995 10  17.86  -1.13   8.36 
1995 11  13.89  -1.36   6.26 
1995 12   6.23  -6.15   0.03 
1996 01   4.06  -7.32  -1.63 
1996 02   7.41  -9.67  -1.13 
1996 03 -99.99  -6.53 -99.99 
1996 04 -99.99   1.01 -99.99 
1996 06  23.97 -99.99 -99.99 
1996 07  28.68 -99.99 -99.99 
1996 08  28.75 -99.99 -99.99 
2002 12   7.16  -6.25   0.45 
2003 01  10.88  -3.92   3.48 
2005 11  10.84  -5.52   2.66 
2005 12   5.25  -9.10  -1.92 
2006 01   6.44  -5.66   0.39 
2006 02   6.27  -8.85  -1.29 
2006 03   7.58  -5.45   1.06 
2006 04  14.46  -1.13   6.66 
2006 05  22.10   2.15  12.12 
2006 06  27.78   6.35  17.06 
2006 07  34.34  11.17  22.75 
2006 08  30.13   6.72  18.42 
2006 09  23.90   2.30  13.10 
2006 10  16.89  -1.77   7.55 
2006 11  10.08  -3.96   3.06 
2006 12   6.08 -10.42  -2.17 
2007 01   4.00 -11.92  -3.96 
2007 02   7.78  -4.33   1.72 
2007 03  14.51  -2.78   5.86 
2007 04  15.52  -1.60   6.96 
2007 05  21.87   2.62  12.24 
2007 06  28.06   5.09  16.57 
2007 08  31.85   7.89  19.87 
2007 09  25.04   2.92  13.98 
2007 10  15.83   -.74   7.54 
2007 11  12.11  -5.20   3.45 
2007 12   1.64  -8.74  -3.55 
2008 01   2.58  -9.09  -3.25 
2008 02   7.02  -5.93   0.54 
2008 03 -99.99  -5.37 -99.99 
2008 04  12.14  -4.37   3.88 
2008 05  18.69   1.00   9.84 
2008 06  26.15   4.13  15.14 
2008 07  32.95   8.22  20.58 
2008 08  30.93   7.84  19.38 
2008 09  25.69   2.25  13.97 
2008 10  18.66  -1.41   8.62 
2008 11  12.46  -1.79   5.33 
2008 12   5.19  -8.83  -1.82 
2009 01   6.86  -6.78   0.03 
2009 02   6.32  -8.09   -.88 
2009 03   8.57  -5.50   1.53 
2009 04  13.27  -2.14   5.56 
2009 05  22.00   2.15  12.07 
2009 07  31.60   8.95  20.27 
2009 08  29.79   7.57  18.68 
2009 09  28.96   5.28  17.11 
2009 11  11.77  -6.08   2.84 
2009 12   2.29 -11.38  -4.54 
2010 01   6.98  -4.71   1.13 
2010 02   6.87  -5.71   0.57 
2010 03  10.06  -5.06   2.50 
2010 04  12.97  -2.89   5.04 
2010 06  24.48   5.44  14.96 
2010 09  26.09   2.04  14.06 
2010 10  19.08   0.95  10.01 
2010 11   7.77  -5.30   1.23 
2010 12   6.11  -5.02   0.54 
2011 01   5.24  -8.33  -1.54 
2011 02   4.44  -7.89  -1.72 
2011 03   8.46  -3.71   2.37 
2011 04  10.31  -2.79   3.76 
2011 05  14.98   0.41   7.69 
2011 06  22.03   3.52  12.77 
2011 07  30.20   6.86  18.53 
2011 08  31.40   7.79  19.59 
2011 09  27.11   3.91  15.51 
2011 10  17.76   -.48   8.64 
2011 11   8.68  -7.11   0.78 
2011 12   5.62 -11.30  -2.84 
2012 01   7.14  -8.35   -.60 
2012 02   4.86  -8.18  -1.66 
2012 03  10.73  -3.64   3.54 
2012 04  16.82  -1.01   7.90 
2012 05  19.62   0.28   9.95 
2012 06  26.08   2.88  14.48 
2012 07  31.84  10.37  21.10 
2012 08  32.50   7.96  20.23 
2012 09  26.85   3.58  15.21 
2012 10  18.12  -2.59   7.76 
2012 11  11.59  -3.53   4.03 
2012 12   4.32  -6.53  -1.10 
2013 01   2.23 -12.47  -5.12 
2013 02   4.26  -7.86  -1.80 
2013 03  10.14  -5.11   2.51 
2013 04  13.80  -2.69   5.55 
2013 05  19.71   0.72  10.21 
2013 06  27.00   4.44  15.72 
2013 07  33.08  10.59  21.83 
2013 08  31.73   8.64  20.18 
2013 09  23.39   5.91  14.65 
2013 10  15.25  -3.58   5.83 
2013 11  10.98  -6.07   2.45 
2013 12   4.42 -10.91  -3.24 
2014 01   8.93  -7.28   0.82 
2014 02   6.89  -3.85   1.52 
2014 03  11.03  -3.98   3.52 
2014 04  14.08  -2.52   5.78 
2014 05  20.72   0.73  10.72 
