1957 05 12.10   9.07  10.58 
1957 06 18.43  14.09  16.26 
1957 07 20.04  16.46  18.25 
1957 08 20.48  16.15  18.31 
1957 09 19.37  15.47  17.42 
1957 10 14.57  10.73  12.65 
1957 11 12.34   7.43   9.88 
1958 01  5.59    .95   3.27 
1958 02  1.72  -3.25   -.76 
1958 03  5.24   2.36   3.80 
1958 04  9.33   5.20   7.26 
1958 05 11.61   7.77   9.68 
1958 06 15.35  11.12  13.23 
1958 07 19.70  15.33  17.51 
1958 08 21.90  16.50  19.20 
1958 09 19.06  13.90  16.48 
1958 10 14.99   9.75  12.37 
1958 11 12.76   7.02   9.89 
1958 12  4.53  -1.41   1.56 
1959 01  3.60  -2.04    .78 
1959 02  3.89  -2.84    .52 
1959 03  7.23    .93   4.08 
1959 04  9.08   4.36   6.72 
1959 05 12.98   8.37  10.67 
1959 06 16.75  11.26  14.00 
1959 07 20.36  15.90  18.13 
1959 08 20.26  16.02  18.14 
1959 09 20.68  15.82  18.25 
1959 10 15.87  10.79  13.33 
1959 12  8.22   3.97   6.10 
1960 05 13.05   8.22  10.63 
1960 06 17.29  12.61  14.95 
1960 07 20.27  15.46  17.86 
1960 08 20.99  15.54  18.26 
1960 09 18.79  14.79  16.79 
1960 11 12.10   7.15   9.62 
1961 02  3.76  -1.98    .89 
1961 05 11.50   6.92   9.21 
1961 06 15.55  11.62  13.58 
1961 07 19.96  15.11  17.53 
1961 08 21.38  16.19  18.78 
