1983 02 42.80  14.20  28.50 
1983 03 44.80  14.90  29.84 
1983 04 44.20  14.70  29.45 
1983 05 40.80  13.60  27.20 
1983 06 39.50  13.20  26.35 
1983 07 39.00  13.00  26.00 
1983 08 38.59  12.80  25.70 
1983 09 39.20  13.00  26.10 
1983 10 39.90  13.30  26.60 
1983 11 42.30  14.10  28.20 
1983 12 42.20  14.00  28.10 
1984 01 42.00  14.00  28.00 
1984 02 42.10  14.00  28.05 
1984 03 43.10  14.30  28.70 
1984 04 42.10  14.00  28.05 
1984 05 39.50  13.10  26.30 
1984 06 39.40  13.10  26.25 
1984 07 38.20  12.70  25.45 
1984 08 37.40  12.50  24.95 
1984 09 39.09  13.00  26.05 
1984 10 40.50  13.50  27.00 
1984 11 42.50  14.20  28.35 
1984 12 42.30  14.10  28.20 
1985 07 37.40  12.50  24.95 
1985 08 38.00  12.60  25.30 
1985 09 39.00  13.00  26.00 
1985 10 40.59  13.40  27.00 
1985 11 41.40  13.70  27.55 
1985 12 41.60  13.90  27.75 
1986 01 40.80  13.60  27.20 
1986 02 42.60  14.20  28.40 
1986 03 44.10  14.70  29.40 
1986 04 40.50  13.50  27.00 
1986 05 38.59  12.90  25.75 
1986 06 37.40  12.50  24.95 
1986 07 36.90  12.30  24.60 
1986 08 37.59  12.50  25.05 
1986 09 38.50  12.80  25.65 
1986 10 41.30  13.70  27.50 
1986 11 42.40  14.10  28.25 
1986 12 43.00  14.30  28.65 
1987 01 42.70  14.20  28.45 
1987 02 43.10  14.30  28.70 
1987 03 44.60  14.80  29.70 
1987 04 44.60  14.90  29.75 
1987 05 41.90  14.00  27.95 
1987 06 39.40  13.10  26.25 
1987 07 38.90  13.00  25.95 
1987 08 38.30  12.80  25.55 
1987 09 40.20  13.40  26.80 
1987 10 40.90  13.60  27.25 
1987 11 41.40  13.80  27.60 
1987 12 42.60  14.20  28.40 
1988 01 43.00  14.30  28.65 
1988 02 43.50  14.50  29.00 
1988 03 44.00  14.70  29.35 
1988 04 42.90  14.30  28.60 
1988 05 41.60  13.80  27.70 
1988 06 39.40  13.10  26.25 
1988 07 38.70  12.90  25.80 
1988 08 39.50  13.20  26.35 
1988 09 39.70  13.20  26.45 
1988 10 40.50  13.50  27.00 
1988 11 41.40  13.80  27.60 
1988 12 41.40  13.80  27.60 
1989 01 41.10  13.70  27.40 
1989 02 41.50  13.80  27.65 
1989 03 42.70  14.20  28.45 
1989 04 42.30  14.10  28.20 
1989 05 40.70  13.50  27.10 
1989 06 39.00  13.00  26.00 
1989 07 38.80  12.90  25.84 
1989 08 38.50  12.80  25.65 
1989 09 39.80  13.30  26.55 
1989 10 41.00  13.60  27.30 
1989 11 41.20  13.70  27.45 
1989 12 40.90  13.60  27.25 
1990 01 41.10  13.70  27.40 
1990 02 43.40  14.50  28.95 
1990 03 43.20  14.40  28.80 
1990 04 42.50  14.20  28.35 
1990 05 41.10  13.70  27.40 
1990 06 39.80  13.20  26.50 
1990 07 39.09  13.00  26.05 
1990 09 40.20  13.40  26.80 
1990 10 39.90  13.30  26.60 
