1981 02 -1.36 -99.99 -99.99 
1981 03 10.70 -99.99 -99.99 
1981 07 99.99  15.85 -99.99 
1981 08 28.35 -99.99 -99.99 
1985 02  1.28 -99.99 -99.99 
1985 12  1.32 -99.99 -99.99 
1987 01  1.75 -99.99 -99.99 
1987 02  4.81 -99.99 -99.99 
1987 04 14.92 -99.99 -99.99 
1988 02 -6.21 -99.99 -99.99 
1988 04 17.02 -99.99 -99.99 
1988 09 26.44 -99.99 -99.99 
1988 10 16.10 -99.99 -99.99 
1988 11 11.44 -99.99 -99.99 
1988 12  4.27 -99.99 -99.99 
1989 01  -.56 -99.99 -99.99 
1989 02 -2.08 -99.99 -99.99 
1989 03  7.63 -99.99 -99.99 
1989 04 14.08 -99.99 -99.99 
1989 07 29.98 -99.99 -99.99 
1989 08 30.96 -99.99 -99.99 
1989 10 17.00 -99.99 -99.99 
1989 11  5.22 -99.99 -99.99 
1990 04 16.77 -99.99 -99.99 
1990 05 24.49 -99.99 -99.99 
1990 06 31.36 -99.99 -99.99 
1990 10 17.62 -99.99 -99.99 
1990 11  9.47 -99.99 -99.99 
1991 01 -2.00 -99.99 -99.99 
1991 02  -.63 -99.99 -99.99 
1991 08 30.12 -99.99 -99.99 
1994 03  6.86 -99.99 -99.99 
1994 12  1.91 -99.99 -99.99 
1995 01 -2.59 -99.99 -99.99 
1995 02  2.93 -99.99 -99.99 
1995 03  7.21 -99.99 -99.99 
1996 02   .47 -99.99 -99.99 
1997 04 22.40 -99.99 -99.99 
