1955 04 24.22  17.83  21.02 
1955 05 28.59  23.30  25.94 
1955 06 30.36  24.39  27.37 
1955 07 30.76  24.91  27.83 
1955 08 32.25  25.58  28.91 
1955 09 30.28  24.29  27.28 
1955 10 26.69  19.07  22.88 
1955 11 20.29  12.42  16.36 
1956 01 15.90   7.27  11.58 
1956 02 19.09  13.07  16.08 
1956 04 22.94 -99.99 -99.99 
1956 05 27.51  20.43  23.97 
1956 06 29.71  22.02  25.86 
1956 07 31.58  22.50  27.04 
1956 08 31.99  20.50  26.24 
1956 09 30.56  18.21  24.39 
1956 10 28.02 -99.99 -99.99 
1956 11 21.82   8.33  15.07 
1957 01 19.14 -99.99 -99.99 
1957 03 19.65 -99.99 -99.99 
1957 05 27.20  22.83  25.01 
1957 06 28.80  24.74  26.77 
1957 07 31.05  26.07  28.56 
1957 08 31.27  25.86  28.56 
1957 09 29.50  22.24  25.87 
1957 11 19.44  12.75  16.09 
1958 04 22.13  17.42  19.77 
1958 07 31.31  25.56  28.43 
1958 08 31.85  25.30  28.57 
1958 09 29.79  24.73  27.26 
1958 10 25.38  18.86  22.12 
1958 11 22.63 -99.99 -99.99 
1958 12 15.98   8.58  12.28 
1959 01 14.00   6.26  10.13 
1959 02 16.75   9.58  13.16 
1959 03 18.62  12.61  15.61 
1959 04 22.41  17.19  19.79 
1959 05 27.52  22.93  25.22 
1959 06 30.18  24.65  27.41 
1959 07 31.49  25.07  28.28 
1959 08 32.89  25.29  29.09 
1959 09 31.11  24.02  27.56 
1959 10 27.49  20.12  23.81 
1959 11 20.49  10.09  15.29 
1960 02 13.98   6.74  10.36 
1960 03 14.64   7.98  11.31 
1960 04 21.69  16.33  19.01 
1960 05 24.43  19.07  21.75 
1960 06 29.32  22.92  26.12 
1960 07 31.47  24.50  27.98 
1960 08 27.88  22.78  25.33 
1960 09 99.99  22.27 -99.99 
1960 10 99.99  17.96 -99.99 
