1949 01 29.96  25.39  27.67 
1949 02 30.28  25.33  27.80 
1949 03 30.46  25.63  28.04 
1949 04 30.48  25.87  28.17 
1949 05 30.29  25.75  28.02 
1949 06 30.71  25.49  28.09 
1949 07 30.89  25.64  28.26 
1949 08 30.89  25.22  28.05 
1949 09 30.32  25.21  27.76 
1949 10 30.02  25.24  27.63 
1949 11 30.03  25.13  27.58 
1949 12 29.48  25.18  27.33 
1950 01 29.73  24.92  27.32 
1950 02 29.56  24.95  27.25 
1950 03 30.58  25.86  28.22 
1950 04 29.88  25.67  27.77 
1950 05 30.84  25.65  28.24 
1950 06 30.92  25.69  28.30 
1950 07 30.58  25.02  27.80 
1950 08 30.75  25.11  27.93 
1950 09 30.43  24.94  27.68 
1950 10 30.21  24.98  27.59 
1950 11 31.16  25.69  28.42 
1950 12 30.66  25.35  28.00 
1951 01 30.90  25.05  27.97 
1951 02 30.65  25.69  28.17 
1951 03 29.30  24.71  27.00 
1951 04 30.58  25.72  28.15 
1951 05 31.02  25.80  28.41 
1951 06 31.25  25.65  28.45 
1951 07 31.03  25.38  28.20 
1951 08 31.12  25.74  28.43 
1951 09 31.82  26.13  28.97 
1951 10 31.51  25.96  28.73 
1951 11 31.29  25.92  28.60 
1951 12 31.17  26.02  28.59 
1952 01 29.99  25.38  27.68 
1952 02 30.76  25.66  28.21 
1952 03 31.75  25.98  28.86 
