1957 04 14.60   3.69   9.14 
1957 05 20.54   9.26  14.90 
1957 06 27.78  14.89  21.33 
1957 07 28.19  16.52  22.35 
1957 08 25.39  14.22  19.80 
1957 09 24.39  12.68  18.53 
1957 10 16.41   6.59  11.50 
1957 11 11.64   2.92   7.28 
1957 12  7.25   -.82   3.21 
1958 01  2.23  -4.86  -1.31 
1958 02  -.27  -8.51  -4.39 
1958 03  6.25   -.13   3.06 
1958 04 13.46   3.87   8.66 
1958 05 17.79   7.78  12.78 
1958 06 22.34  11.74  17.04 
1958 07 26.48  16.95  21.72 
1958 08 26.92  15.95  21.43 
1958 09 22.34  11.88  17.11 
1958 10 15.51   5.39  10.45 
1958 11 11.78   2.24   7.01 
1958 12   . 6  -8.79  -4.36 
1959 01  2.06  -7.54  -2.74 
1959 02  1.53  -9.16  -3.81 
1959 03  6.82  -2.98   1.92 
1959 04 13.89   3.39   8.64 
1959 05 22.78   9.93  16.35 
1959 06 22.88  12.44  17.66 
