1959 01 29.61  23.93  26.77 
1959 02 30.44  23.60  27.02 
1959 03 29.81  24.27  27.04 
1959 04 30.55  24.93  27.74 
1959 05 30.55  25.59  28.07 
1959 06 30.99  25.95  28.47 
1959 07 31.10  25.78  28.44 
1959 08 31.55  25.84  28.69 
1959 09 31.63  26.22  28.92 
1959 10 31.67  26.30  28.98 
1959 11 31.49  26.06  28.77 
1959 12 31.15  25.46  28.30 
1960 01 30.32  24.33  27.32 
1960 02 30.24  24.59  27.41 
1960 03 30.19  24.86  27.52 
1960 04 31.02  25.68  28.35 
1960 05 31.61  25.95  28.78 
1960 06 31.92  25.80  28.86 
1960 07 31.63  25.73  28.68 
1960 08 31.99  26.17  29.08 
1960 09 32.64  26.50  29.57 
1960 10 31.40  26.37  28.88 
1960 11 99.99  25.55 -99.99 
1960 12 29.75  24.68  27.21 
1961 01 30.00  24.27  27.13 
1961 02 29.47  23.40  26.43 
1961 03 29.70  24.01  26.85 
1961 04 29.81  24.16  26.98 
1961 05 29.85 -99.99 -99.99 
1961 06 99.99  24.21 -99.99 
1961 07 30.62  24.79  27.70 
1961 08 31.37  25.44  28.40 
1961 09 32.33  26.28  29.30 
1961 10 31.50  25.23  28.36 
1961 11 99.99  24.50 -99.99 
1961 12 29.96  24.55  27.25 
1962 01 28.98  23.10  26.04 
1962 02 28.79  23.14  25.96 
1962 03 29.92  24.20  27.06 
1962 04 30.12  24.66  27.39 
1962 05 30.81  25.76  28.28 
1962 06 31.50  25.57  28.53 
1962 07 31.96  25.89  28.92 
1962 08 99.99  26.14 -99.99 
1962 09 99.99  26.71 -99.99 
1962 10 33.04  26.35  29.69 
1962 11 31.74  25.61  28.67 
1962 12 30.08  24.98  27.53 
1963 01 99.99  23.11 -99.99 
1963 02 29.62  23.88  26.75 
1963 03 29.88  24.08  26.98 
1963 04 30.95  25.07  28.01 
1963 05 30.85  25.99  28.42 
1963 06 31.33  25.95  28.64 
1963 07 99.99  25.88 -99.99 
1963 08 32.90  26.89  29.89 
1963 09 32.95  26.91  29.93 
1963 10 99.99  26.31 -99.99 
1963 11 31.32  25.02  28.17 
1963 12 30.28  25.25  27.76 
1964 01 99.99  24.13 -99.99 
1964 03 30.29  24.49  27.39 
1964 04 30.16  24.82  27.49 
1964 05 30.76 -99.99 -99.99 
1964 06 31.14  25.68  28.41 
1964 07 31.16  25.70  28.43 
1964 08 99.99  26.21 -99.99 
1964 09 32.80  26.91  29.85 
1964 10 31.80  26.45  29.12 
1964 11 30.89  25.33  28.11 
1964 12 99.99  24.02 -99.99 
1965 01 28.75  23.89  26.32 
1965 02 28.12  22.91  25.51 
1965 03 28.35 -99.99 -99.99 
1965 04 28.63 -99.99 -99.99 
1965 05 29.27 -99.99 -99.99 
1965 06 29.54  24.71  27.12 
1965 07 30.76  25.50  28.13 
1965 08 30.33  24.96  27.64 
1965 09 31.78  25.99  28.88 
1965 10 30.84  25.55  28.19 
1965 11 30.51  25.02  27.76 
1965 12 30.28  24.86  27.57 
1966 01 99.99  23.86 -99.99 
1966 02 29.28  23.81  26.54 
1966 03 29.34  24.43  26.88 
1966 04 29.71  24.96  27.33 
1966 05 30.19  25.42  27.80 
1966 06 30.55  25.48  28.01 
1966 07 31.24  26.03  28.63 
1966 08 31.62  26.38  29.00 
1966 09 99.99  26.65 -99.99 
1966 10 31.63  25.99  28.81 
1966 11 99.99  25.83 -99.99 
1966 12 99.99  25.51 -99.99 
1967 01 30.48  25.55  28.01 
1967 02 30.63  25.59  28.11 
1967 03 30.62  25.48  28.05 
1967 04 99.99  26.57 -99.99 
1967 05 30.77  26.06  28.41 
1967 06 30.62  25.76  28.19 
1967 07 29.85  24.75  27.30 
1967 08 30.33  24.86  27.59 
1967 09 99.99  25.22 -99.99 
1967 10 30.89  25.34  28.11 
1967 11 29.88  24.63  27.25 
1967 12 28.60  23.82  26.21 
1968 01 28.20  23.00  25.60 
1968 02 28.00  22.98  25.49 
1968 03 28.73  23.80  26.26 
1968 04 99.99  24.49 -99.99 
1968 05 31.90 -99.99 -99.99 
1968 08 99.99  26.06 -99.99 
1968 10 32.11  25.15  28.63 
1968 11 31.72  25.40  28.56 
1968 12 99.99  23.93 -99.99 
