1981 05 99.99   9.04 -99.99 
1981 07 99.99  17.95 -99.99 
1987 10 99.99   1.98 -99.99 
1989 04 99.99   5.33 -99.99 
1989 05 99.99   8.43 -99.99 
1989 07 99.99  16.01 -99.99 
1990 04 18.14 -99.99 -99.99 
1991 03  3.27 -99.99 -99.99 
1991 05 20.56 -99.99 -99.99 
1991 06 29.54 -99.99 -99.99 
1991 07 32.11 -99.99 -99.99 
1991 08 28.15 -99.99 -99.99 
1991 09 21.55 -99.99 -99.99 
1992 04 13.36 -99.99 -99.99 
1993 06 25.25 -99.99 -99.99 
1993 07 27.51 -99.99 -99.99 
1993 08 27.33 -99.99 -99.99 
1993 11 -2.98 -99.99 -99.99 
1995 08 26.71  13.58  20.14 
1995 09 22.68  11.19  16.93 
1996 08 26.18  14.38  20.28 
1996 10 13.06   3.22   8.14 
1998 06 28.39  16.34  22.36 
1998 07 30.62  17.42  24.02 
1998 09 23.14   8.57  15.85 
1998 10 14.90   4.65   9.77 
1998 11  1.91  -3.67   -.88 
1998 12  -.34  -5.50  -2.92 
1999 01  1.21  -2.90   -.84 
1999 02  2.35  -2.44    .-4 
1999 03  8.76    . 8   4.42 
1999 04 16.93   6.04  11.48 
1999 06 28.80  15.78  22.29 
1999 07 31.25  18.26  24.75 
1999 08 27.85  15.33  21.59 
1999 09 23.04   8.41  15.72 
1999 10 12.91   5.26   9.08 
1999 11  1.24  -6.31  -2.53 
2000 02  2.38  -3.38   -.50 
2000 03  5.71   -.99   2.36 
2000 05 19.68   6.79  13.23 
2000 06 24.43  13.57  19.00 
2000 07 27.85  17.68  22.76 
2000 08 27.76  14.65  21.20 
2000 09 19.20   9.35  14.28 
2000 10 13.34   2.60   7.97 
2000 11  3.93  -2.26    .83 
2000 12  3.21   -.58   1.31 
2001 01  2.26  -2.51   -.12 
2001 02  1.39  -5.34  -1.97 
2001 03  8.80  -1.01   3.89 
2001 04 16.44   6.59  11.51 
2001 05 20.07   9.22  14.65 
2001 06 23.27  13.54  18.40 
2001 07 33.30  18.87  26.08 
2001 08 28.52  15.13  21.82 
2001 09 20.68  10.54  15.61 
2001 10 12.14   3.29   7.71 
2001 11  6.52    .24   3.38 
2001 12 -4.08 -11.47  -7.77 
2002 01 -1.04  -5.90  -3.47 
2002 02  7.37    .12   3.74 
2002 03  9.93    .48   5.20 
2002 04 14.44   2.15   8.29 
2002 05 22.29   7.19  14.74 
2002 07 31.89  19.08  25.48 
2002 08 27.02  13.73  20.37 
2002 09 21.95  11.89  16.92 
2002 10 11.30   4.82   8.06 
2002 11  6.98    . 7   3.52 
2002 12 -5.41 -12.61  -9.01 
2004 05 19.78   9.14  14.46 
2004 06 22.07  12.61  17.34 
2004 07 25.07  15.34  20.20 
2004 08 26.28  15.84  21.06 
2004 09 21.64  10.40  16.02 
2004 10 13.42   5.23   9.32 
2004 11  6.70   -.52   3.08 
2005 03   .94  -5.59  -2.32 
2005 04 16.12   5.13  10.62 
2005 05 23.77  11.97  17.87 
2005 06 24.24  13.79  19.01 
2005 07 25.93  16.07  21.00 
2005 08 27.79  15.66  21.72 
2005 09 23.21  11.59  17.40 
2005 10 13.58   4.88   9.22 
2006 03  4.00  -2.31    .84 
2006 04 13.80   4.92   9.36 
2006 05 21.14  10.48  15.81 
2006 06 25.90  16.07  20.98 
2006 07 25.45  14.45  19.95 
2006 08 31.66  18.33  24.99 
2006 09 22.69  10.67  16.68 
2006 10 14.77   7.38  11.07 
2007 03  8.05   -.35   3.85 
2007 04 12.97   3.19   8.08 
2007 05 24.50  11.45  17.97 
2007 06 27.23  15.57  21.40 
2007 07 29.87  17.70  23.79 
2007 08 31.83  18.10  24.96 
2007 09 22.57  11.57  17.07 
2007 10 14.67   6.07  10.37 
2007 11  3.14  -3.70   -.27 
2008 03  9.22   1.52   5.37 
2008 04 16.44   6.68  11.56 
2008 05 19.09   8.89  13.99 
2008 06 24.77  13.27  19.02 
2008 07 28.20  16.60  22.40 
2008 08 30.42  16.19  23.30 
2008 09 20.41  10.00  15.20 
2008 10 14.66   6.00  10.33 
2009 03  6.00   -.69   2.65 
2009 04 13.93   1.76   7.84 
2009 05 19.60   9.74  14.67 
2009 06 28.60  16.25  22.42 
2009 07 30.10  18.23  24.16 
2009 08 25.54  14.07  19.80 
2009 09 22.31  10.76  16.53 
2009 10 15.59   6.38  10.98 
2010 03  4.67  -2.46   1.10 
2010 04 14.09   4.73   9.41 
2010 05 23.08  12.73  17.90 
2010 06 28.57  17.43  23.00 
2010 07 32.05  19.70  25.88 
2010 08 33.68  19.32  26.50 
2010 09 24.10  11.34  17.72 
2010 10 10.22   2.30   6.26 
2010 11 13.15   5.35   9.25 
2011 02 -6.56 -12.84  -9.70 
2011 03  2.89  -5.07  -1.09 
2011 04 12.37   3.53   7.95 
2011 05 22.56  11.61  17.08 
2011 06 26.33  15.83  21.08 
2011 07 29.73  19.35  24.54 
2011 08 26.97  15.45  21.21 
2011 09 21.03  10.03  15.53 
2012 03   .96  -6.00  -2.52 
2012 04 20.11   9.00  14.55 
2012 05 25.45  13.52  19.48 
2012 06 27.13  16.23  21.68 
2012 07 29.93  18.50  24.21 
2012 08 31.07  17.73  24.40 
2012 09 25.04  10.43  17.73 
2012 11  8.02 -99.99 -99.99 
2013 03  5.74 -99.99 -99.99 
2013 08 99.99  16.37 -99.99 
