1981 01   .49  -7.51  -3.51 
1981 02 -2.30 -12.37  -7.33 
1981 03  4.30  -4.51   -.10 
1981 04  6.18  -4.52    .82 
1981 05 13.39    .62   7.00 
1981 06 16.45   2.40   9.42 
1981 07 16.24 -99.99 -99.99 
1981 08 16.75 -99.99 -99.99 
1981 09 12.87 -99.99 -99.99 
1981 10  5.78  -4.92    .42 
1981 11   .52 -99.99 -99.99 
1981 12 -5.74 -16.68 -11.21 
1982 01 -4.01 -13.47  -8.74 
1982 02 -3.57 -16.53 -10.05 
1982 03  -.18 -99.99 -99.99 
1982 04  1.23 -11.33  -5.05 
1982 05  8.24 -99.99 -99.99 
1982 06 14.14 -99.99 -99.99 
1982 07 14.76   6.78  10.77 
1982 08 16.20 -99.99 -99.99 
1982 09 11.43   3.67   7.55 
1982 10  3.82  -6.88  -1.53 
1982 11  1.52  -7.33  -2.90 
1982 12 -1.58 -99.99 -99.99 
1983 01 -5.07 -14.62  -9.84 
1983 02 -1.50 -10.32  -5.91 
1983 03  3.41  -6.06  -1.32 
1983 04  4.44  -3.51    .46 
1983 05 11.96    .31   6.13 
