1990 09 21.91 -30.83 -26.37 
1990 10 26.27 -36.57 -31.42 
1990 11 23.97 -33.43 -28.70 
1990 12 30.46 -42.13 -36.29 
1991 01 35.65 -45.99 -40.82 
1991 02 30.12 -39.64 -34.88 
1991 03 32.40 -44.02 -38.21 
1991 04 29.03 -41.86 -35.44 
1991 05 15.89 -27.57 -21.73 
1991 06 -7.62 -18.20 -12.91 
1991 07 -7.15 -15.96 -11.55 
1991 08 12.06 -21.51 -16.78 
1991 09 19.46 -30.29 -24.88 
1991 10 26.47 -36.59 -31.53 
1991 11 35.82 -46.89 -41.35 
1991 12 32.93 -43.52 -38.22 
1992 01 34.38 -46.47 -40.42 
1992 02 36.93 -47.27 -42.10 
1992 03 34.36 -44.72 -39.54 
1992 04 29.37 -44.53 -36.95 
1992 05 20.02 -34.91 -27.46 
1992 06 11.72 -23.08 -17.40 
1992 07 -8.38 -18.78 -13.58 
1992 08 12.88 -24.29 -18.58 
1992 09 21.12 -31.60 -26.36 
1992 10 19.98 -29.97 -24.97 
1992 11 32.50 -42.00 -37.25 
1992 12 40.73 -51.09 -45.91 
1993 01 41.31 -51.39 -46.35 
1993 02 37.34 -49.01 -43.18 
1993 03 35.43 -45.00 -40.22 
1993 04 25.03 -35.91 -30.47 
1993 05 16.54 -28.84 -22.69 
1993 06 -8.03 -20.34 -14.18 
1993 07 -7.38 -20.21 -13.79 
1993 08 10.36 -20.17 -15.26 
1993 09 14.53 -24.24 -19.38 
1993 10 22.98 -32.14 -27.56 
1993 11 29.67 -39.41 -34.54 
1993 12 39.68 -47.00 -43.34 
1994 01 39.52 -47.22 -43.37 
1994 02 32.31 -40.00 -36.15 
1994 03 36.12 -47.14 -41.62 
1994 07 -5.66 -15.30 -10.48 
1994 08 -9.88 -18.98 -14.43 
1994 09 19.49 -28.83 -24.16 
1994 10 32.12 -40.65 -36.38 
