1984 01 -3.12 -12.72  -7.92 
1984 02 11.73 -20.41 -16.07 
1984 03 16.65 -27.71 -22.18 
1984 04 17.73 -27.81 -22.77 
1984 05 20.03 -33.55 -26.79 
1984 06 24.00 -35.20 -29.60 
1984 07 24.91 -36.86 -30.88 
1984 08 28.79 -41.60 -35.19 
1984 09 25.51 -38.09 -31.80 
1984 10 18.25 -26.26 -22.25 
1984 11 -9.74 -17.86 -13.80 
1984 12 -1.29  -8.51  -4.90 
1985 01 -1.20  -9.85  -5.52 
1985 02 11.96 -22.16 -17.06 
1985 03 18.18 -26.79 -22.48 
1985 04 23.98 -34.68 -29.33 
1985 05 25.34 -35.38 -30.36 
1985 06 24.28 -37.07 -30.67 
1985 07 35.68 -47.26 -41.47 
1985 08 25.92 -39.75 -32.84 
1985 09 25.07 -36.82 -30.94 
1985 10 19.31 -29.08 -24.19 
1985 11 10.53 -19.93 -15.23 
1985 12 -4.02 -10.18  -7.10 
