1981 07 99.99  13.93 -99.99 
1984 06 99.99  10.31 -99.99 
1984 07 99.99  12.12 -99.99 
1984 08 99.99  12.17 -99.99 
2000 03  5.55   -.48   2.53 
2000 04 17.39   7.29  12.34 
2000 05 99.99   9.06 -99.99 
2000 06 23.30  11.86  17.58 
2000 07 99.99  13.61 -99.99 
2000 08 25.28  14.28  19.78 
2000 09 16.84   8.43  12.63 
2000 10 14.85   4.27   9.56 
2000 11  9.57   5.24   7.40 
2001 01   .52  -3.13  -1.30 
2001 02   .27  -4.57  -2.15 
2001 03  7.80    . 7   3.93 
2001 04 15.35   5.13  10.24 
2001 05 18.62   8.39  13.50 
2001 06 20.29  11.82  16.05 
2001 07 27.88  17.02  22.45 
2001 08 26.35  14.61  20.48 
2001 09 18.39   9.59  13.99 
2001 10 14.49   5.69  10.09 
2002 04 99.99   4.69 -99.99 
2002 11 99.99   1.98 -99.99 
2003 01 -1.79  -6.64  -4.21 
2003 03  3.06  -3.11    .-2 
2003 04 11.48   1.97   6.72 
2003 05 24.99  12.57  18.77 
2003 06 23.60  12.36  17.98 
2003 07 24.77  15.23  20.00 
2003 08 24.87  13.93  19.40 
2003 09 19.04   8.56  13.80 
2003 10 10.32   3.50   6.91 
2003 11  5.82   1.66   3.74 
2003 12  1.74  -3.32   -.79 
2004 02  1.04  -4.71  -1.83 
2004 03  7.38    .46   3.92 
2004 04 14.14   3.29   8.71 
2004 12 99.99  -2.69 -99.99 
2005 02 99.99  -7.32 -99.99 
2005 03 99.99  -4.13 -99.99 
2005 11 99.99   -.28 -99.99 
2007 02 99.99  -4.83 -99.99 
2008 07 24.45  14.75  19.60 
2012 09 22.77  10.55  16.66 
