1955 08 30.75  23.99  27.37 
1955 09 31.20  24.03  27.61 
1955 10 30.90  24.33  27.61 
1955 11 30.79  24.34  27.56 
1955 12 30.85  24.36  27.60 
1956 01 29.74  24.40  27.07 
1956 02 30.50  25.19  27.84 
1956 03 30.83  24.92  27.87 
1956 04 30.67  24.65  27.66 
1956 05 30.79  24.31  27.55 
1956 06 31.60  23.72  27.66 
1956 07 31.02  23.81  27.41 
1956 08 30.65  21.49  26.07 
1956 09 31.15  17.98  24.56 
1956 10 31.54  23.54  27.54 
1956 11 31.44  22.99  27.21 
1956 12 30.45  23.01  26.73 
1957 01 29.97  24.07  27.02 
1957 02 29.84  25.14  27.49 
1957 03 29.66  24.84  27.25 
1957 04 30.65  24.07  27.36 
1957 05 31.33  24.06  27.69 
1957 06 30.79  23.54  27.16 
1957 07 31.07  23.61  27.34 
1957 08 30.98  23.32  27.15 
1957 09 99.99  23.31 -99.99 
1957 10 99.99  22.93 -99.99 
1957 11 31.47  23.62  27.54 
1957 12 31.04  24.04  27.54 
1961 02 31.78  24.73  28.25 
1961 03 31.21  23.29  27.25 
1961 04 32.07  22.39  27.23 
1961 05 31.58  22.88  27.23 
1961 06 31.69  23.53  27.61 
1961 07 30.99  23.20  27.09 
1961 08 30.97  23.67  27.32 
1961 09 31.03  23.80  27.41 
1961 10 30.58  23.70  27.14 
1961 11 31.07  24.22  27.64 
1961 12 30.76  24.10  27.43 
1962 01 31.03 -99.99 -99.99 
1962 02 99.99  24.54 -99.99 
1962 03 99.99  24.43 -99.99 
1962 04 30.90  24.57  27.73 
1962 05 30.65  24.90  27.77 
1962 06 30.38  23.29  26.83 
1962 07 30.60  23.56  27.08 
1962 08 30.87  23.77  27.32 
1962 09 31.07  23.55  27.31 
1962 10 31.44  23.99  27.71 
1962 11 31.42  24.12  27.77 
1962 12 31.11  24.16  27.63 
1963 01 30.31  25.18  27.74 
1963 02 29.29  24.44  26.86 
1963 04 31.13  29.05  30.09 
1963 05 32.56  28.05  30.30 
1963 06 32.55  29.10  30.82 
1963 07 31.67  28.61  30.14 
1963 08 31.51  26.22  28.86 
1963 09 30.67  23.21  26.93 
1963 10 28.51  22.40  25.45 
1963 11 28.08  21.91  24.99 
1963 12 27.31  20.66  23.98 
1964 01 28.80  19.69  24.24 
1964 02 29.10  24.19  26.64 
1964 03 29.80  25.15  27.47 
1964 05 31.50  23.68  27.59 
1964 06 30.92  23.62  27.27 
1964 07 30.93  22.81  26.87 
1964 08 30.74  23.50  27.12 
1964 09 30.77  23.03  26.90 
1964 10 30.44  23.14  26.79 
1964 11 29.99  23.29  26.64 
1964 12 30.06  23.53  26.79 
1965 01 30.26  25.26  27.76 
1965 02 30.32  26.12  28.22 
1965 03 30.96  26.22  28.59 
1965 04 32.74  26.62  29.68 
1965 05 31.71  26.84  29.27 
1965 06 30.90  26.03  28.46 
1965 07 29.14  25.39  27.26 
1965 08 31.60  26.25  28.92 
1965 09 29.70  26.10  27.90 
1965 10 31.11  26.51  28.81 
1965 11 33.14  27.01  30.07 
1965 12 30.04  25.71  27.87 
1966 01 29.02  24.82  26.92 
1966 02 29.80  25.07  27.43 
1966 03 30.78  26.46  28.62 
1966 04 30.61  26.03  28.32 
1966 05 30.62  25.17  27.89 
1966 06 30.52  25.25  27.88 
1966 07 29.87  24.92  27.39 
1966 08 30.64  24.64  27.64 
1966 09 32.20  26.71  29.45 
1966 10 31.57  25.60  28.58 
1966 11 33.09  26.97  30.03 
1966 12 30.55  24.13  27.34 
1967 01 31.24  25.72  28.48 
1967 03 32.34  26.90  29.62 
1967 04 32.99  26.82  29.90 
1969 01 31.99  26.25  29.12 
1972 06 33.30  25.09  29.19 
1974 03 31.36  24.34  27.85 
