1951 07 28.22  19.61  23.91 
1951 08 31.33  23.72  27.52 
1951 09 24.97  18.00  21.48 
1951 10 21.68  14.50  18.09 
1951 11 16.26   7.48  11.87 
1951 12 13.58   2.78   8.18 
1952 01 10.22    .81   5.51 
1952 02  7.12    .33   3.72 
1952 03 12.38   4.42   8.40 
1952 04 17.89   9.26  13.57 
1952 05 22.51  13.57  18.04 
1952 06 25.54  17.89  21.71 
1952 07 28.44  21.01  24.72 
1952 08 31.96  23.42  27.68 
1952 09 26.82  20.20  23.51 
1952 10 20.93  14.24  17.58 
1952 11 16.27   9.02  12.64 
1952 12 11.62   2.03   6.82 
1953 01  9.10    .15   4.62 
1953 02  9.47    .52   5.00 
1953 03 14.33   5.52   9.92 
1953 04 17.51   8.41  12.96 
1953 05 22.08  13.84  17.95 
1953 06 24.38  17.36  20.87 
1953 07 28.43  21.50  24.96 
1953 08 28.29  22.45  25.37 
1953 09 25.87  19.43  22.65 
1953 10 20.59  14.22  17.40 
1953 11 15.82   7.40  11.61 
1953 12 12.87   4.81   8.84 
1954 01  9.41   2.16   5.78 
1954 02 11.33   2.03   6.68 
1954 03 13.05   4.79   8.92 
1954 04 19.21  11.33  15.27 
1954 05 21.25  13.79  17.52 
1954 06 21.48  15.68  18.58 
1954 07 25.33  19.89  22.61 
1954 08 30.70  23.94  27.32 
1954 09 27.82  21.76  24.79 
1954 10 19.21  13.16  16.18 
1954 11 15.83   9.09  12.46 
1954 12 12.20   5.32   8.76 
1955 01  9.76    .83   5.29 
1955 02 11.71   2.82   7.26 
1955 03 12.28   5.95   9.11 
1955 04 17.45  10.69  14.07 
1955 05 21.81  14.72  18.26 
1955 06 25.68  19.51  22.59 
1955 07 30.75  24.22  27.48 
1955 08 29.32  23.51  26.41 
1955 09 25.79  19.67  22.73 
1955 10 21.46  15.12  18.28 
1955 11 16.12   8.04  12.08 
1955 12 13.56   4.64   9.10 
1956 01  9.64   1.78   5.71 
1956 02  9.07   1.38   5.22 
1956 03 12.81   5.88   9.34 
1956 04 17.04   9.80  13.42 
1956 05 21.14  14.22  17.68 
1956 06 25.67  19.32  22.49 
1957 10 20.88  13.93  17.40 
1957 11 16.81  10.20  13.50 
1957 12 12.42   5.59   9.00 
1958 01  9.85   1.85   5.85 
1958 04 18.12  10.16  14.14 
1959 05 21.93  13.99  17.95 
1959 06 22.94  17.44  20.19 
1959 07 28.35  22.69  25.52 
1959 08 29.54  24.09  26.81 
1959 09 26.67  21.36  24.01 
1959 10 20.65  15.24  17.94 
1959 11 16.10   9.68  12.89 
1959 12 11.92   3.63   7.77 
1960 01  9.47   1.42   5.45 
1960 02 11.51   2.66   7.08 
1960 03 13.54   4.79   9.16 
1960 04 16.14   8.83  12.48 
1960 05 21.17  13.84  17.50 
