1956 06 32.99  20.12  26.56 
1956 07 33.27  20.94  27.10 
1956 08 31.11  19.23  25.17 
1956 09 31.06  18.48  24.77 
1956 10 21.09   9.18  15.14 
1956 11  8.42  -1.09   3.66 
1956 12  4.33  -4.69   -.18 
1957 01  5.25  -2.41   1.42 
1957 02  9.71   1.32   5.51 
1957 03 13.55   2.50   8.02 
1957 04 17.58   6.81  12.19 
1957 05 21.05   9.47  15.26 
1957 06 31.60  18.39  24.99 
1957 07 33.11  19.96  26.54 
1957 08 30.84  18.82  24.83 
1957 09 27.87  15.57  21.72 
1957 10 17.39   8.89  13.14 
1957 11  7.22   -.64   3.29 
1957 12  6.70  -1.67   2.51 
1958 01  5.21  -3.57    .82 
1958 02 10.71   2.43   6.57 
1958 03  9.00   2.19   5.59 
1958 04 17.61   5.25  11.43 
1958 05 27.91  12.07  19.99 
1958 06 32.96 -99.99 -99.99 
1958 07 33.48 -99.99 -99.99 
1958 08 34.27  20.42  27.34 
1958 12 11.44    .85   6.14 
1959 02  9.50   -.55   4.47 
1959 03 16.56    .89   8.72 
1959 04 20.67   6.53  13.60 
1959 05 24.93  11.55  18.24 
1959 06 33.49  17.07  25.28 
1959 07 35.57 -99.99 -99.99 
1959 08 30.99  18.27  24.63 
1959 10 21.45   9.77  15.61 
1959 11 11.82   1.25   6.53 
1959 12  7.76  -1.36   3.20 
1960 01  2.16  -6.62  -2.23 
1960 02  6.92  -2.22   2.34 
