1985 09 24.22   8.21  16.21 
1985 10 28.65  13.87  21.26 
1985 11 32.81  17.73  25.27 
1985 12 36.80  18.87  27.84 
1986 03 38.25  20.94  29.59 
1986 04 29.66  13.31  21.48 
1986 05 25.20 -99.99 -99.99 
1986 06 19.95   6.58  13.26 
1986 07 17.79   5.79  11.79 
1986 10 29.55  13.27  21.41 
1986 11 34.70  17.50  26.10 
1987 03 31.66  16.41  24.03 
1987 05 23.36   8.88  16.12 
1987 06 20.33   7.02  13.67 
1987 08 21.75   5.50  13.62 
1987 09 27.70  10.49  19.09 
1987 10 32.72  15.89  24.30 
1987 12 37.16  22.75  29.96 
1988 01 39.64 -99.99 -99.99 
1988 02 35.87  19.49  27.68 
1988 03 33.97  18.66  26.31 
1988 04 28.52  15.01  21.76 
1988 06 22.05   6.95  14.50 
1988 08 22.92   6.60  14.76 
1988 09 27.83   9.58  18.70 
1988 10 35.15  16.99  26.07 
1988 11 33.15  17.27  25.21 
1988 12 36.66  21.42  29.04 
1989 01 37.48  21.47  29.47 
1989 02 38.45  22.36  30.40 
1989 03 31.34  19.77  25.55 
1989 04 27.28  14.40  20.84 
1989 05 23.55  10.60  17.07 
1989 08 99.99   4.89 -99.99 
1989 09 27.69   9.88  18.78 
1989 10 32.68  15.52  24.10 
1989 11 32.91  17.75  25.33 
1989 12 37.50  21.59  29.55 
1990 01 40.22  24.82  32.52 
1990 02 35.34  20.15  27.74 
1990 03 36.09  19.60  27.84 
1990 04 29.10  14.39  21.74 
1990 05 25.30  11.91  18.60 
1990 06 20.35   7.74  14.04 
1990 07 21.31   6.88  14.09 
1990 08 22.59   8.52  15.55 
1990 09 28.66   9.67  19.16 
1990 10 31.63  16.02  23.82 
1990 11 37.78  21.79  29.78 
1990 12 38.50  22.25  30.37 
1991 01 39.09  23.84  31.46 
1991 02 42.04  25.34  33.69 
1991 03 35.53 -99.99 -99.99 
1991 04 30.24 -99.99 -99.99 
1991 05 24.85   8.50  16.67 
