1985 12 -1.28 -14.69  -7.98 
1986 01  1.55 -11.28  -4.86 
1986 02  3.18  -8.46  -2.64 
1986 03  9.34  -5.43   1.95 
1986 04 11.86  -4.09   3.88 
1986 05 17.85    .23   9.04 
1986 06 26.51   5.91  16.20 
1986 07 25.02   5.72  15.37 
1986 08 27.13   8.37  17.75 
1986 09 16.67    .65   8.66 
1986 10 14.60  -1.70   6.45 
1986 11  4.63  -8.54  -1.95 
1986 12   .41 -12.66  -6.12 
1987 01  -.86 -13.48  -7.16 
1987 02  3.04 -10.13  -3.54 
1987 03  6.64  -7.65   -.50 
1987 04 17.76  -2.31   7.72 
1987 05 18.90   2.34  10.62 
1987 06 23.48   4.69  14.09 
1987 07 24.19   6.27  15.23 
1987 08 24.80   4.36  14.58 
1987 09 23.65   3.87  13.76 
1987 10 18.86  -1.82   8.52 
1987 11  6.90  -7.55   -.32 
1987 12  -.20 -12.79  -6.49 
1988 01 -1.98 -16.01  -8.99 
