1981 07 29.93 -99.99 -99.99 
1981 09 99.99  10.52 -99.99 
1984 06 99.99  13.15 -99.99 
1984 07 99.99  14.32 -99.99 
1985 03 99.99  -8.05 -99.99 
1986 03 99.99  -1.97 -99.99 
1991 02 -1.79  -8.43  -5.11 
1991 03  5.55 -99.99 -99.99 
1991 04 15.55 -99.99 -99.99 
1991 05 20.12 -99.99 -99.99 
1991 08 26.71 -99.99 -99.99 
1991 09 22.87 -99.99 -99.99 
1991 10 17.18 -99.99 -99.99 
1992 06 24.66 -99.99 -99.99 
1992 07 27.75 -99.99 -99.99 
1992 09 20.50 -99.99 -99.99 
1993 08 27.18 -99.99 -99.99 
1993 10 15.26 -99.99 -99.99 
1994 09 99.99  14.18 -99.99 
2000 01 -1.16  -6.79  -3.97 
2000 03  7.08   -.15   3.46 
2000 04 19.70   8.13  13.92 
2000 05 22.51   9.14  15.83 
2000 06 25.01  13.49  19.25 
2000 07 28.60  16.85  22.72 
2000 08 29.00  16.04  22.52 
2000 09 19.27  10.46  14.86 
2000 10 15.22   5.19  10.20 
2000 11  8.13   3.90   6.01 
2001 01  3.74  -1.80    .97 
2001 02  1.64  -3.96  -1.16 
2001 03 10.18    .69   5.43 
2001 04 17.12   6.41  11.76 
2001 05 20.21   8.81  14.51 
2001 06 23.76  13.39  18.57 
2001 07 32.82  19.57  26.19 
2001 08 30.25  16.52  23.38 
2001 09 22.25  11.93  17.09 
2001 10 16.17   5.03  10.60 
2001 11  7.54    .76   4.15 
2001 12 -2.08  -8.22  -5.16 
2002 04 99.99   4.09 -99.99 
2002 09 99.99  12.82 -99.99 
2003 01  -.15  -6.06  -3.10 
2003 02 99.99 -10.26 -99.99 
2003 03  3.05  -2.44    .30 
2003 04 13.82   2.88   8.35 
2003 05 27.84  11.92  19.88 
2003 06 26.73  13.69  20.20 
2003 07 26.92  16.65  21.78 
2003 08 29.10  15.77  22.43 
2003 09 22.11   8.97  15.54 
2003 10 14.99   5.28  10.13 
2003 11  7.13   2.71   4.92 
2003 12  3.12  -1.64    .73 
2004 01  1.45  -2.80   -.67 
2004 02  3.07  -3.80   -.36 
2004 03  9.99   1.63   5.81 
2004 04 17.35   4.81  11.08 
2005 02 99.99  -4.87 -99.99 
2005 03 99.99  -3.11 -99.99 
2006 06 99.99  15.30 -99.99 
2007 02 99.99  -3.38 -99.99 
2008 07 28.96  17.04  23.00 
2012 09 25.42  11.29  18.35 
2012 10 19.51 -99.99 -99.99 
2012 11  9.45 -99.99 -99.99 
2012 12   .42 -99.99 -99.99 
