1964 06 27.90  17.70  22.80 
1964 07 28.50  22.20  25.35 
1964 08 28.60  20.20  24.40 
1964 09 25.00  15.40  20.20 
1964 10 18.10   5.10  11.60 
1964 11 18.00   4.10  11.05 
1964 12 15.80   2.80   9.30 
1965 01 16.29   4.80  10.54 
1965 02 13.80   2.70   8.25 
1965 03 19.00   4.60  11.80 
1965 04 20.90   6.80  13.85 
1965 05 25.20   9.60  17.40 
1965 06 27.40  11.30  19.35 
1965 07 24.70  10.60  17.65 
1965 08 23.70   9.80  16.75 
1965 09 22.90   8.89  15.90 
1965 10 18.90   3.60  11.25 
1965 11 20.10   3.20  11.65 
1965 12 14.70   4.69   9.70 
1966 01 15.90 -99.99 -99.99 
1966 02 18.60   5.10  11.85 
1966 03 21.50   5.50  13.50 
1966 04 21.00   5.70  13.35 
1966 05 23.00   9.80  16.40 
1966 06 25.90  12.30  19.10 
1966 07 26.30  11.80  19.04 
1966 08 22.40  11.30  16.85 
1966 09 21.50   8.10  14.80 
1966 10 18.00   6.40  12.20 
1966 11 16.70   4.40  10.55 
1966 12 14.60   5.70  10.14 
1967 01 15.00   5.10  10.05 
1967 02 17.79   4.80  11.29 
1967 03 20.50   4.69  12.60 
1967 04 24.50   4.40  14.45 
1967 05 25.40   6.50  15.95 
1967 06 24.30  10.20  17.25 
1967 07 22.70   8.60  15.65 
1967 08 20.00   8.50  14.25 
1967 09 19.20   7.00  13.10 
1967 10 19.00   4.19  11.60 
1967 11 17.50   3.80  10.65 
1967 12 11.90   4.69   8.29 
1968 01 10.70   4.80   7.75 
1968 02 16.60   6.10  11.35 
1968 03 14.60   5.30   9.95 
1968 04 14.90   6.60  10.75 
1968 05 14.60   3.70   9.15 
1968 06 13.20   3.20   8.20 
1968 07 13.80   3.80   8.80 
1968 08 13.70   4.30   9.00 
