1958 11  6.17  -2.36   1.90 
1958 12 -6.65 -19.76 -13.20 
1959 01 -5.89 -15.83 -10.86 
1959 02 -5.10 -19.37 -12.24 
1959 03  1.19 -10.49  -4.64 
1959 04 11.37   -.60   5.38 
1959 05 19.65   5.91  12.78 
1959 06 21.98  11.57  16.77 
1959 07 27.20  13.61  20.40 
1959 08 25.85  15.32  20.58 
1959 09 21.84   9.71  15.77 
1959 10 12.23   3.11   7.66 
1959 11  5.06  -3.64    .70 
1959 12 -1.82  -9.28  -5.55 
1960 01 -4.82 -16.54 -10.68 
1960 02 -1.23  -9.59  -5.41 
1960 03  -.97 -11.59  -6.28 
1960 04 10.69   -.54   5.07 
1960 05 20.93   8.84  14.88 
1960 06 22.71  10.47  16.59 
1960 07 23.82  11.65  17.73 
1960 08 24.73  10.41  17.57 
1960 09 19.86   8.06  13.96 
1960 10 11.82    .90   6.35 
1960 12 -2.73 -12.94  -7.83 
1961 01 -7.94 -20.00 -13.97 
1961 02 -1.70 -14.83  -8.26 
1961 03  1.95  -8.93  -3.49 
1961 04  7.81   -.72   3.54 
1961 05 15.96   4.12  10.04 
