1981 09 99.99  10.32 -99.99 
2000 03 99.99   -.41 -99.99 
2000 04 18.36   7.02  12.69 
2000 05 21.25   9.06  15.15 
2000 08 24.18  14.50  19.34 
2000 09 99.99   8.05 -99.99 
2000 10 15.51   7.04  11.27 
2000 11 99.99   5.79 -99.99 
2001 03 99.99    .24 -99.99 
2001 04 14.77   5.93  10.35 
2001 05 18.61   9.30  13.95 
2001 06 18.83  11.54  15.18 
2001 07 26.36  17.04  21.70 
2001 08 24.69  15.40  20.04 
2001 09 16.42  10.63  13.52 
2001 10 14.96 -99.99 -99.99 
2001 11  3.66 -99.99 -99.99 
2002 04 99.99   4.53 -99.99 
2003 01  -.94  -5.40  -3.17 
2003 03  4.39  -1.78   1.30 
2003 04 11.73   2.80   7.26 
2003 05 23.86  12.53  18.19 
2003 06 23.19  12.53  17.86 
2003 07 23.98  15.62  19.79 
2003 08 24.50  13.96  19.23 
2003 09 19.65   9.14  14.40 
2003 10  9.02   4.34   6.68 
2003 11  7.95   3.29   5.62 
2004 02   .96  -4.96  -2.00 
2004 03  6.35    .44   3.39 
2004 04 13.78   3.88   8.83 
2005 02 99.99  -6.09 -99.99 
2005 03 99.99  -3.39 -99.99 
2008 07 99.99  14.44 -99.99 
