1984 11 21.10  10.50  15.80 
1984 12 24.20  11.70  17.95 
1985 01 24.80  14.40  19.59 
1985 02 22.40  13.70  18.04 
1985 03 22.30  12.10  17.20 
1985 04 20.70   9.10  14.90 
1985 05 17.79   6.30  12.04 
1985 06 16.40   4.50  10.45 
1985 07 15.30   3.80   9.55 
1985 08 19.70   7.80  13.75 
1985 09 19.50   8.70  14.10 
1985 10 22.30  11.20  16.75 
1985 11 23.30  12.20  17.75 
1985 12 21.90  12.10  17.00 
1986 01 24.20  13.40  18.79 
1986 02 22.60  12.10  17.35 
1986 03 22.80  12.50  17.65 
1986 04 21.10  10.60  15.85 
1986 05 19.90   8.20  14.04 
1986 06 15.00   4.40   9.70 
1986 07 16.40   5.20  10.79 
1986 08 18.20   6.60  12.40 
1986 09 20.60   9.39  15.00 
1986 10 19.60   9.70  14.65 
1986 11 20.00  10.40  15.20 
1987 01 25.90  13.80  19.85 
1987 02 26.40  14.70  20.55 
1987 05 19.79   9.70  14.75 
1987 06 14.80   2.40   8.60 
1987 08 15.90   6.00  10.95 
1987 09 17.29   8.39  12.85 
1987 10 19.20   9.10  14.15 
