1948 12 22.75   7.57  15.16 
1949 01 16.49   3.77  10.13 
1949 03 24.48  10.40  17.43 
1949 04 25.19  11.21  18.20 
1949 05 32.64  20.18  26.41 
1949 06 34.84  21.98  28.41 
1949 07 35.91  23.01  29.46 
1949 08 36.25  21.20  28.73 
1949 09 34.70  19.62  27.16 
1949 10 28.28  14.87  21.57 
1949 11 26.03   8.42  17.22 
1949 12 20.01   8.96  14.48 
1950 01 20.55   9.55  15.04 
1950 02 20.82 -99.99 -99.99 
1950 03 23.61   8.43  16.02 
1950 04 25.94  14.55  20.24 
1950 05 32.57  20.35  26.46 
1950 06 34.79  21.24  28.01 
1950 07 37.05  22.11  29.58 
1950 08 38.08  20.53  29.30 
1950 09 34.16  18.79  26.48 
1950 10 32.37  13.60  22.98 
1950 11 24.76   5.51  15.13 
1950 12 21.08   3.55  12.31 
1951 01 19.52   2.57  11.04 
1951 02 21.20   7.22  14.21 
1951 03 26.02  11.94  18.98 
1951 04 29.37  13.90  21.63 
1951 05 32.68  19.15  25.91 
1951 06 34.59  22.72  28.65 
1951 07 38.73  23.53  31.13 
1951 08 39.93  23.02  31.48 
1951 09 34.37  20.64  27.50 
1951 10 31.36  15.32  23.34 
1951 11 22.50   8.09  15.29 
1951 12 21.86   6.80  14.33 
1952 01 22.30   9.97  16.14 
1952 02 23.60   9.83  16.71 
1952 03 24.54   9.47  17.01 
1952 04 26.54  12.27  19.40 
1952 05 31.34  16.68  24.01 
1952 06 34.77  21.72  28.24 
1952 07 36.43  22.02  29.23 
1952 08 39.12  22.76  30.93 
1952 09 33.23  18.04  25.64 
1952 10 28.31   8.60  18.45 
1952 11 21.47   9.06  15.26 
1952 12 17.09   5.96  11.52 
1953 01 23.42   7.16  15.29 
1953 02 19.95   7.16  13.56 
1953 03 27.58  14.82  21.20 
1953 04 28.10  13.93  21.01 
1953 05 31.32  19.04  25.18 
1953 06 37.95  22.65  30.30 
1953 07 37.96  23.85  30.90 
1953 08 37.21  23.33  30.27 
1953 09 34.22  19.59  26.90 
1953 10 30.07  15.48  22.77 
1953 11 22.96   9.64  16.30 
1953 12 16.79   4.89  10.84 
1954 01 20.33   7.30  13.81 
1954 02 25.00   8.45  16.72 
1954 03 24.74  10.10  17.42 
1954 04 28.39  16.95  22.67 
1954 05 29.77  17.50  23.63 
1954 06 36.34  21.55  28.94 
1954 07 39.58  23.37  31.47 
1954 08 39.45  22.83  31.14 
1954 09 36.08  20.99  28.53 
1954 10 30.68  16.64  23.66 
1954 11 24.99   8.74  16.86 
1955 01 18.25   6.87  12.56 
1955 02 20.19   7.12  13.65 
1955 03 26.17  11.36  18.76 
1955 04 29.89  16.46  23.18 
1955 05 33.16  19.35  26.25 
1955 06 33.49  19.29  26.39 
1955 07 36.18  22.32  29.25 
1955 08 36.09  22.26  29.18 
1955 09 34.59  21.24  27.91 
1955 10 31.09  13.55  22.32 
1955 11 24.71   9.38  17.04 
1956 01 19.52   4.82  12.17 
1956 02 22.89 -99.99 -99.99 
1956 03 25.66   9.92  17.79 
1956 04 28.99  14.27  21.63 
1956 05 34.21  19.44  26.82 
1956 06 36.83  20.79  28.81 
1956 07 38.64  21.76  30.20 
1956 09 36.47  18.74  27.60 
1956 10 32.54  15.51  24.02 
1956 12 22.55   7.77  15.16 
1957 01 99.99   6.52 -99.99 
1957 02 23.80  11.75  17.77 
1957 03 23.84  11.17  17.50 
1957 04 25.29  15.44  20.36 
1957 05 27.89  19.01  23.45 
1957 06 32.33  21.72  27.02 
1957 07 38.55  23.18  30.86 
1957 08 38.75  22.58  30.66 
1957 09 33.16  18.92  26.04 
1957 10 25.81  13.69  19.75 
1958 02 15.19   3.80   9.49 
1958 03 20.70   7.58  14.14 
1958 04 27.82  12.38  20.10 
1958 05 31.34  18.49  24.91 
1958 06 35.70  22.13  28.91 
1958 07 36.45  23.21  29.83 
1958 08 38.91  23.00  30.96 
1958 09 32.62  22.01  27.31 
1958 10 25.17  16.18  20.67 
1958 11 22.14  11.61  16.87 
1958 12 17.40   4.06  10.73 
1959 02 17.79   7.75  12.77 
1959 03 24.14   9.49  16.81 
1959 04 25.42  13.85  19.63 
1959 05 99.99  20.03 -99.99 
1959 06 35.62  22.48  29.05 
1959 07 36.68  22.65  29.66 
1959 08 35.15  22.28  28.71 
1959 09 34.06  21.40  27.73 
1959 10 29.61  15.37  22.49 
1959 11 21.32   5.53  13.42 
1959 12 19.56   8.21  13.88 
1960 01 16.59   5.71  11.15 
1960 02 99.99   4.16 -99.99 
1960 03 19.79   6.98  13.38 
1960 04 27.89  15.79  21.84 
1960 05 30.01  18.04  24.02 
1960 06 36.78  22.15  29.46 
1960 07 36.30  22.55  29.42 
1960 08 34.31  23.06  28.68 
1960 09 33.50  19.06  26.28 
1960 10 28.60  16.39  22.49 
1960 11 22.57  10.71  16.64 
1960 12 15.05   4.71   9.88 
1961 01 14.70   2.13   8.41 
1961 02 19.96   6.29  13.12 
1961 03 25.56  10.80  18.18 
1961 04 27.41  11.89  19.65 
1961 05 33.00  17.94  25.47 
1961 06 33.58  21.15  27.36 
1961 07 33.59  22.03  27.81 
1961 08 35.63  21.50  28.56 
1961 09 34.50 -99.99 -99.99 
1961 11 21.67 -99.99 -99.99 
1961 12 18.79   6.59  12.69 
1962 01 13.76    . 2   6.89 
1962 02 25.66   9.71  17.68 
1962 03 22.66   8.12  15.39 
1962 04 27.98  14.38  21.18 
1962 05 32.84  18.74  25.79 
1962 06 34.97  21.15  28.06 
1962 07 39.54  22.66  31.10 
1962 08 41.66  23.15  32.40 
1962 09 34.63  21.23  27.93 
1962 10 31.95  17.83  24.89 
1962 11 23.50  10.24  16.86 
1962 12 17.12   6.51  11.82 
1963 01 13.84    . 5   6.94 
1963 02 20.16   4.66  12.41 
1963 03 26.69  11.88  19.28 
1963 04 31.45  17.53  24.49 
1963 05 34.30  19.03  26.66 
1963 06 36.84  22.04  29.44 
1963 07 38.25  23.51  30.88 
1963 08 40.00  23.63  31.82 
1963 09 35.72  21.51  28.61 
1963 10 33.41  16.02  24.72 
1963 11 24.24  11.09  17.66 
1963 12 14.86    .34   7.60 
1964 01 18.04   3.04  10.54 
1964 02 16.17   3.78   9.97 
1964 03 23.02   8.37  15.69 
1964 05 31.82  19.44  25.63 
1964 08 37.43  23.72  30.57 
1964 09 34.09  21.29  27.69 
