1961 01 31.30  21.90  26.59 
1961 02 31.70  22.40  27.05 
1961 03 31.90  21.60  26.75 
1961 04 31.40  22.50  26.95 
1961 05 29.70  21.80  25.75 
1961 06 28.80  21.30  25.05 
1961 07 28.20  21.30  24.75 
1961 08 28.50  21.10  24.80 
1961 09 28.70  19.79  24.25 
1961 10 30.80  20.50  25.65 
1961 11 31.20  21.60  26.40 
1961 12 30.70  21.70  26.20 
1962 01 30.60  21.70  26.15 
1962 02 32.09  20.40  26.25 
1962 03 31.60  20.70  26.15 
1962 04 30.90  21.60  26.25 
1962 05 32.50  21.70  27.10 
1962 06 29.20  22.80  26.00 
1962 07 28.40  21.20  24.80 
1962 08 27.00  19.79  23.40 
1962 09 29.70  22.80  26.25 
1962 10 32.80  24.10  28.45 
1962 11 33.09  22.60  27.84 
1962 12 31.90  22.30  27.09 
1963 01 31.90  23.50  27.70 
1963 02 32.00  23.60  27.80 
1963 03 31.20  23.50  27.35 
1963 04 31.30  23.40  27.34 
1963 05 30.50  24.00  27.25 
1963 06 29.20  23.00  26.10 
1963 07 27.50  21.30  24.40 
1963 08 28.30  22.20  25.25 
1963 09 29.40  22.30  25.84 
1963 10 31.30  22.90  27.09 
1963 11 33.00  23.40  28.20 
1963 12 31.90  26.60  29.25 
1964 01 32.20  23.30  27.75 
1964 02 31.60  23.40  27.50 
1964 03 31.60  23.60  27.60 
1964 04 30.20  23.80  27.00 
1964 05 30.20  22.50  26.35 
1964 06 29.20  23.20  26.20 
1964 07 28.90  23.70  26.30 
1964 08 29.40  23.00  26.20 
1964 09 30.00  23.40  26.70 
1964 10 31.60  23.50  27.55 
1964 11 30.10  23.40  26.75 
1964 12 32.00  23.10  27.55 
1965 01 31.90  23.10  27.50 
1965 02 32.20  22.90  27.55 
1965 03 32.09  23.60  27.84 
1965 04 31.70  22.90  27.30 
1965 05 31.30  23.40  27.34 
1965 06 29.50  21.80  25.65 
1965 07 28.40  20.10  24.25 
1965 08 30.20  20.60  25.40 
1965 09 31.70  19.90  25.80 
1965 10 30.50  20.00  25.25 
1968 08 99.99  22.60 -99.99 
1968 09 99.99  22.60 -99.99 
1969 07 29.50 -99.99 -99.99 
1969 08 29.30 -99.99 -99.99 
1969 09 30.00 -99.99 -99.99 
1969 10 31.00 -99.99 -99.99 
1969 11 32.00 -99.99 -99.99 
1969 12 31.70 -99.99 -99.99 
1970 01 32.30 -99.99 -99.99 
1970 02 31.00 -99.99 -99.99 
1970 03 31.90 -99.99 -99.99 
1970 04 31.90 -99.99 -99.99 
1970 05 30.70 -99.99 -99.99 
1970 06 29.80 -99.99 -99.99 
1970 07 29.10 -99.99 -99.99 
1970 08 29.00 -99.99 -99.99 
1970 09 30.40 -99.99 -99.99 
1970 10 31.20 -99.99 -99.99 
1970 11 31.80 -99.99 -99.99 
1970 12 31.40 -99.99 -99.99 
1971 01 31.10 -99.99 -99.99 
1971 02 32.20 -99.99 -99.99 
1971 03 31.50 -99.99 -99.99 
1971 04 31.60 -99.99 -99.99 
1971 07 29.50 -99.99 -99.99 
1971 08 30.20 -99.99 -99.99 
1971 09 30.80 -99.99 -99.99 
1971 10 31.50 -99.99 -99.99 
1972 01 31.50 -99.99 -99.99 
1972 11 32.09 -99.99 -99.99 
1972 12 31.80 -99.99 -99.99 
1973 01 33.80 -99.99 -99.99 
1973 04 31.90 -99.99 -99.99 
1973 08 30.00 -99.99 -99.99 
1973 09 30.80 -99.99 -99.99 
1973 11 30.80 -99.99 -99.99 
1973 12 32.70 -99.99 -99.99 
1974 01 32.59 -99.99 -99.99 
1974 02 32.59 -99.99 -99.99 
1974 03 33.70 -99.99 -99.99 
1974 04 32.70 -99.99 -99.99 
1974 05 31.60 -99.99 -99.99 
1974 06 29.60 -99.99 -99.99 
1974 07 29.10 -99.99 -99.99 
1974 08 30.80 -99.99 -99.99 
1974 09 31.00 -99.99 -99.99 
1974 10 30.10 -99.99 -99.99 
1974 11 32.70 -99.99 -99.99 
1974 12 30.50 -99.99 -99.99 
1975 01 32.09 -99.99 -99.99 
1975 02 31.40 -99.99 -99.99 
1975 03 31.50 -99.99 -99.99 
1975 04 32.50 -99.99 -99.99 
1975 05 31.60 -99.99 -99.99 
1975 06 29.20 -99.99 -99.99 
1975 07 29.60 -99.99 -99.99 
1975 08 29.10 -99.99 -99.99 
1975 09 31.00 -99.99 -99.99 
1975 10 31.60 -99.99 -99.99 
1975 11 31.60 -99.99 -99.99 
1975 12 31.80 -99.99 -99.99 
1996 01 32.00  23.50  27.75 
2000 02 32.20  22.70  27.45 
2000 06 29.20  23.50  26.35 
2000 08 29.40  22.70  26.05 
2000 10 31.60 -99.99 -99.99 
2000 11 32.70 -99.99 -99.99 
2001 01 32.40  23.70  28.05 
2001 08 28.50  22.40  25.45 
2001 10 32.40  23.70  28.05 
2004 07 29.10  22.50  25.80 
