1966 04 36.63  22.74  29.68 
1966 06 31.96  24.05  28.00 
1966 07 32.21  24.57  28.39 
1966 08 31.61  24.29  27.95 
1966 09 33.58  22.67  28.12 
1966 10 33.58  22.51  28.04 
1966 11 32.84  20.35  26.59 
1966 12 29.42  18.57  23.99 
1967 01 27.01  14.37  20.69 
1967 02 29.82  15.87  22.84 
1967 03 34.14  17.26  25.70 
1967 04 34.50  21.55  28.02 
1967 05 35.25  23.41  29.33 
1967 06 33.43  23.99  28.71 
1967 07 33.25  24.33  28.79 
1967 08 32.95  24.31  28.63 
1967 09 31.70  23.20  27.45 
1967 10 31.91  20.50  26.20 
1967 11 29.96  18.70  24.33 
1967 12 26.83  15.11  20.97 
1968 06 32.23  24.19  28.21 
1968 08 31.85  24.36  28.10 
1968 09 33.15  23.68  28.41 
1968 10 31.49  21.33  26.41 
1968 11 30.50  19.44  24.97 
1968 12 27.68  16.33  22.00 
1969 01 27.65  15.85  21.75 
1969 02 31.03  14.46  22.74 
1969 03 35.25  20.15  27.70 
1969 05 35.53  24.07  29.80 
1969 06 32.70  24.61  28.65 
1969 07 31.36  24.36  27.86 
1969 08 31.48  23.20  27.34 
1969 09 33.09  23.14  28.11 
1969 10 33.00  21.09  27.05 
1969 11 28.70  17.00  22.85 
1969 12 27.53  13.91  20.72 
1970 01 28.87  15.45  22.16 
1970 02 32.08  15.95  24.01 
1970 03 35.15  18.69  26.92 
1970 04 32.74  21.20  26.97 
1970 05 33.41  23.34  28.38 
1970 06 31.61  23.92  27.76 
1970 07 30.72  23.61  27.16 
1970 08 31.52  23.33  27.42 
1970 09 31.39  23.09  27.24 
1970 11 28.73  18.20  23.47 
1970 12 26.99  17.77  22.38 
