1958 12 -2.06  -7.23  -4.64 
1959 01 -6.34 -11.11  -8.72 
1959 02  -.16  -5.49  -2.82 
1959 03 -3.96 -12.46  -8.21 
1959 04  4.07  -2.28    .89 
1959 05 13.70   4.94   9.32 
1959 06 20.66  10.22  15.44 
1959 07 15.66   9.57  12.61 
1959 08 17.67  10.14  13.91 
1959 11  2.11  -1.81    .15 
1959 12 -1.40  -5.85  -3.62 
1960 01 -2.23  -6.53  -4.38 
1960 02  2.38  -1.97    .20 
1960 03   .70  -6.33  -2.81 
1960 04  5.43   -.64   2.39 
1960 05 14.20   6.08  10.13 
1960 06 16.76   8.42  12.59 
1960 07 17.75  10.25  14.00 
1960 08 15.92   9.10  12.51 
1960 09 10.37   5.65   8.01 
1960 10  7.02   1.40   4.21 
1960 11   .88  -4.83  -1.97 
1960 12  2.20  -2.72   -.26 
1961 01   .30  -4.83  -2.26 
1961 02 -2.69  -7.94  -5.31 
1961 03 -3.28 -10.54  -6.91 
1961 04  5.31  -1.31   2.00 
1961 05 13.33   3.49   8.41 
1961 06 16.67   7.04  11.85 
1961 07 16.98   8.97  12.98 
1961 08 15.04   8.14  11.59 
1961 09 11.63   4.92   8.27 
1961 10  2.81  -2.58    .11 
1961 11 -1.86  -8.39  -5.12 
1961 12 -9.72 -14.63 -12.18 
1962 01 -3.65  -9.46  -6.55 
1962 02 -1.19  -6.08  -3.63 
1962 03  -.62  -7.74  -4.17 
1962 04  6.17   -.58   2.79 
1962 05 11.22   2.38   6.80 
1962 06 15.56   6.74  11.15 
