1982 01 99.99  21.70 -99.99 
1982 03 37.09  24.10  30.59 
1982 04 34.59  23.50  29.05 
1982 05 33.09  23.00  28.05 
1982 07 33.20  23.10  28.15 
1982 08 33.59  23.00  28.30 
1982 09 36.40  23.60  30.00 
1982 10 33.30  22.00  27.65 
1982 11 32.50  21.10  26.80 
1982 12 34.59  21.10  27.84 
1983 01 35.40  21.00  28.20 
1983 02 36.70  23.20  29.95 
1983 03 37.59  24.20  30.90 
1983 04 36.50  25.30  30.90 
1983 05 34.20  23.20  28.70 
1983 06 33.50  23.60  28.55 
1983 07 33.80  23.60  28.70 
1983 08 33.59  23.70  28.65 
1983 09 34.40  23.10  28.75 
1983 10 33.90  22.70  28.30 
1983 11 34.70  21.50  28.10 
1984 03 36.90  23.10  30.00 
1984 04 36.80  24.60  30.70 
1984 05 34.59  23.90  29.25 
1984 06 33.30  23.20  28.25 
1984 07 31.80  22.50  27.15 
1985 01 35.20  21.70  28.45 
1985 02 36.30  20.40  28.34 
1985 03 37.50  22.70  30.10 
1985 04 33.40  21.50  27.45 
1985 05 32.70  21.10  26.90 
1985 06 32.30  22.00  27.15 
1985 07 32.80  22.90  27.84 
1985 08 33.00  23.00  28.00 
1985 09 34.80  23.10  28.95 
1985 10 33.59  22.30  27.95 
1985 11 33.59  21.40  27.50 
1985 12 34.50  20.80  27.65 
1986 01 35.00  21.40  28.20 
1986 02 36.20  22.50  29.35 
1986 03 36.40  25.30  30.85 
1986 04 34.90  24.90  29.90 
1986 05 33.70  22.80  28.25 
1986 06 32.30  21.20  26.75 
1986 07 31.40  22.00  26.70 
1986 08 32.40  23.00  27.70 
1986 09 34.20  23.60  28.90 
1986 10 34.50  23.30  28.90 
1986 11 99.99  21.20 -99.99 
1986 12 99.99  20.80 -99.99 
1987 01 35.00  21.40  28.20 
1987 02 36.00  22.50  29.25 
1987 03 37.50  25.30  31.40 
1987 04 37.09  24.90  31.00 
1987 05 32.50  22.80  27.65 
1987 06 31.40  21.20  26.30 
1987 07 33.20  22.00  27.60 
1987 08 34.30  23.00  28.65 
1987 09 35.50  23.60  29.55 
1987 10 35.00  23.30  29.15 
1987 11 34.09  21.20  27.65 
1987 12 35.59  20.80  28.20 
1988 03 37.09  23.50  30.30 
1988 04 35.40  23.60  29.50 
1988 05 34.80  22.90  28.84 
1988 06 99.99  23.10 -99.99 
1988 07 33.70  22.10  27.90 
1988 08 34.09  22.90  28.50 
1988 09 99.99  22.70 -99.99 
1988 10 33.70  21.80  27.75 
1988 11 33.90  18.79  26.35 
1989 01 34.70  19.40  27.05 
1989 02 35.80  21.30  28.55 
1989 03 35.40  22.80  29.10 
1989 04 34.00  22.70  28.35 
1989 05 32.50  21.70  27.10 
1989 08 33.40  22.10  27.75 
1989 09 34.90  22.90  28.90 
1989 10 33.50  20.90  27.20 
1989 11 34.30  21.60  27.95 
1989 12 35.59  21.90  28.75 
1990 03 36.90  23.40  30.15 
1990 04 34.80  22.60  28.70 
1990 05 35.50  23.50  29.50 
1990 06 34.09  22.60  28.34 
1990 07 32.30  22.00  27.15 
