1997 08 29.92  16.49  23.20 
1997 09 27.26  13.91  20.58 
1997 10 21.43   6.47  13.95 
1997 11 12.39   1.97   7.18 
1997 12  9.10   -.54   4.28 
1998 01 10.24   1.33   5.78 
1998 02 12.16   1.58   6.87 
1998 03 16.10   3.65   9.87 
1998 04 21.44   7.76  14.60 
1998 06 31.07 -99.99 -99.99 
1998 07 31.03  20.03  25.53 
1998 08 31.43  16.07  23.75 
1998 09 30.96  15.29  23.12 
1998 10 24.53   9.12  16.82 
1998 11 18.11   4.23  11.17 
1998 12 11.72   1.02   6.37 
1999 01 12.05    .23   6.14 
1999 02 14.14   1.72   7.93 
1999 03 13.98    .74   7.35 
1999 04 23.47  10.01  16.74 
1999 05 26.55  11.83  19.18 
1999 06 29.79  15.68  22.73 
1999 07 32.97  18.69  25.83 
1999 08 33.34  16.23  24.79 
1999 09 29.61  11.69  20.65 
1999 10 22.84   6.72  14.78 
1999 11 20.31   4.15  12.23 
1999 12 11.54   -.45   5.54 
2000 01  8.81  -1.60   3.60 
2000 02 16.24   -.30   7.97 
2000 03 19.43   4.17  11.80 
2000 04 21.41   6.85  14.13 
2000 05 27.37  15.15  21.26 
2000 06 30.39  18.87  24.63 
2000 07 32.68  20.08  26.38 
2000 08 33.09  19.62  26.36 
2000 09 29.15  15.24  22.19 
2000 10 25.91   9.21  17.56 
2000 11 15.34   3.24   9.29 
2000 12  3.70  -6.34  -1.32 
2001 01  8.53  -4.13   2.19 
2001 02 99.99   1.48 -99.99 
2001 03 13.58    .74   7.16 
2001 04 25.07  10.07  17.57 
2001 05 27.03  12.67  19.85 
2001 06 29.91  15.69  22.80 
2001 07 32.49  20.36  26.42 
2001 08 31.87  20.33  26.10 
2001 09 27.74  14.63  21.18 
2001 10 22.58   5.96  14.27 
2001 11 20.81   2.54  11.67 
2001 12 11.81   -.90   5.45 
2002 01 11.60   -.91   5.34 
2002 02 11.60  -2.59   4.50 
2002 03 16.41   2.30   9.35 
2002 04 23.37   9.38  16.37 
2002 05 25.44  11.98  18.70 
2002 06 31.82  18.32  25.07 
2002 07 33.21  20.95  27.08 
2002 08 32.65  19.87  26.26 
2002 09 29.76  16.77  23.26 
2002 10 21.06  10.22  15.64 
2002 11 14.45   1.41   7.93 
2002 12  9.74  -2.10   3.81 
2003 01 99.99  -6.77 -99.99 
2003 02 99.99  -2.64 -99.99 
2003 03 18.93   3.26  11.09 
2003 04 23.18   7.11  15.14 
2003 05 25.97  12.86  19.41 
2003 06 28.38  16.12  22.25 
2003 07 31.67  20.31  25.99 
2003 08 31.59  20.24  25.91 
2003 09 27.11  14.12  20.61 
2003 10 23.30   8.83  16.06 
2003 11 18.62   6.29  12.45 
2003 12 99.99   -.95 -99.99 
2004 01 10.25  -1.94   4.15 
2004 02 99.99   -.84 -99.99 
2004 03 99.99   5.41 -99.99 
2004 04 99.99   7.02 -99.99 
2004 05 28.45  16.01  22.23 
2004 06 29.87  18.50  24.18 
2004 07 30.61  19.69  25.15 
2004 08 29.15  16.95  23.05 
2004 09 27.99  15.09  21.54 
2004 10 23.40  10.88  17.14 
2004 11 17.64   7.37  12.50 
2004 12 10.43  -2.24   4.09 
2005 01 99.99   1.99 -99.99 
2005 02 99.99   2.69 -99.99 
2005 03 99.99   2.48 -99.99 
2005 04 21.87   7.99  14.93 
2005 05 26.41  10.40  18.40 
2005 06 30.51  18.11  24.31 
2005 07 31.18  20.86  26.02 
2005 08 32.79  21.00  26.89 
2005 09 30.54  16.60  23.57 
2005 10 22.49   8.87  15.68 
2005 11 18.58   3.65  11.11 
2005 12  8.71  -2.36   3.17 
2006 01 99.99   1.39 -99.99 
2006 02 99.99  -1.54 -99.99 
2006 03 17.75   3.61  10.68 
2006 04 25.99  11.30  18.64 
2006 05 26.22  13.20  19.70 
2006 06 30.47  16.86  23.66 
2006 07 32.59  19.99  26.29 
2006 08 32.52  20.71  26.61 
2006 09 99.99  14.50 -99.99 
2006 10 20.34   6.73  13.53 
2006 11 16.15   2.42   9.28 
2006 12 13.14    .-7   6.53 
2007 01  9.85   -.29   4.78 
2007 02  8.14  -2.99   2.58 
2007 03 22.42   5.37  13.89 
2007 04 20.50   5.72  13.11 
2007 05 28.81  13.45  21.13 
2007 06 31.91  17.31  24.61 
2007 07 32.18  19.60  25.89 
2007 08 37.34  21.05  29.19 
2007 09 30.26  17.42  23.84 
2007 10 24.16  10.74  17.45 
2007 11 16.21   2.91   9.56 
2007 12 11.51    .97   6.24 
2008 01 99.99  -1.63 -99.99 
2008 02 11.29    .-2   5.63 
2008 03 15.85   2.33   9.09 
2008 04 20.93   6.33  13.63 
2008 05 25.43  12.23  18.83 
2008 06 31.09  18.60  24.84 
2008 07 32.58  18.62  25.60 
2008 08 31.98  17.84  24.91 
2008 09 29.55  15.43  22.49 
2008 10 23.32   7.56  15.44 
2008 11 15.28    .54   7.91 
2008 12 10.51  -2.21   4.15 
2009 01  6.39  -6.24    . 7 
2009 02 15.12   -.28   7.42 
2009 03 18.29   4.23  11.26 
2009 04 22.64 -99.99 -99.99 
2009 05 25.46  14.34  19.90 
2009 06 31.06  18.77  24.91 
2009 07 30.14  18.01  24.07 
2009 08 30.73  18.45  24.59 
2009 09 27.64  17.19  22.41 
2009 10 19.70   8.75  14.22 
2009 11 19.20   3.77  11.48 
2009 12  8.16  -2.83   2.66 
2010 01  6.49  -4.50    .99 
2010 02  6.95  -4.13   1.40 
2010 03 16.01   2.00   9.00 
2010 04 25.93   9.30  17.61 
2010 05 27.69  15.92  21.80 
2010 06 33.06  21.13  27.09 
2010 07 33.34  21.61  27.47 
2010 08 34.37  21.35  27.86 
2010 09 32.47  14.36  23.41 
2010 10 26.00   4.86  15.43 
2010 11 17.56   2.40   9.97 
2010 12  7.42  -3.94   1.74 
2011 01  6.72  -4.55   1.08 
2011 02 12.54    . 7   6.30 
2011 03 16.46   4.77  10.62 
2011 04 23.47  10.13  16.79 
2011 05 25.16  13.36  19.26 
2011 06 31.54  19.70  25.62 
2011 07 33.68  21.89  27.78 
2011 08 33.39  18.94  26.16 
2011 09 27.16  14.70  20.93 
2011 10 22.42   6.47  14.44 
2011 11 18.16   6.47  12.31 
2011 12 12.09    .18   6.13 
2012 01 12.37    . 1   6.19 
2012 02 13.51   1.14   7.32 
2012 03 23.98   8.35  16.17 
2012 04 23.99   7.19  15.59 
2012 05 28.38  14.52  21.45 
2012 06 31.40  15.78  23.59 
2012 07 34.27  21.57  27.92 
2012 08 32.81  18.98  25.89 
2012 09 28.40  14.87  21.63 
2012 10 20.86   8.04  14.45 
2012 11 16.43    .13   8.28 
2012 12 13.18   3.11   8.14 
2013 01  9.72   -.56   4.58 
2013 02 11.00   -.65   5.17 
2013 03 11.79    .90   6.34 
2013 04 20.49   7.99  14.24 
2013 05 25.92  13.70  19.81 
2013 06 29.89  18.49  24.18 
2013 07 29.28  18.83  24.05 
2013 08 29.56  19.39  24.47 
2013 09 28.06  15.66  21.86 
2013 10 21.27  10.42  15.84 
2013 11 14.00   1.26   7.63 
2013 12  9.63  -1.15   4.24 
2014 01  5.57  -6.98   -.70 
2014 02  7.24  -3.60   1.82 
2014 03 12.87   -.52   6.17 
2014 04 22.40   7.67  15.03 
