1959 01 99.99  -9.71 -99.99 
1959 02 99.99  -6.65 -99.99 
1959 03 99.99  -4.21 -99.99 
1959 04 99.99  -1.28 -99.99 
1959 05 14.55   3.66   9.10 
1959 06 20.46   8.43  14.45 
1959 07 23.03  10.94  16.98 
1959 08 22.38  11.36  16.86 
1959 09 12.56   4.34   8.45 
1959 10  7.13    .41   3.77 
1959 11  1.46  -1.36    . 5 
1959 12 -4.79  -9.28  -7.03 
1960 01 -7.64 -14.02 -10.83 
1960 02 -5.92 -14.01  -9.96 
1960 03   .38  -8.64  -4.13 
1960 04  6.68  -2.77   1.95 
1960 05 16.74   4.67  10.71 
1960 06 21.67  10.92  16.29 
1960 07 22.16  13.40  17.77 
1960 08 19.41  10.46  14.93 
1960 09 13.49   5.74   9.61 
1960 10  4.44    . 3   2.24 
1960 11  -.12  -4.07  -2.09 
1960 12  -.29  -3.59  -1.94 
1961 01 -1.94  -7.54  -4.73 
1961 02  1.23  -4.09  -1.43 
1961 03  2.58  -4.28   -.85 
1961 04  6.74  -2.96   1.88 
1961 05 14.69   4.73   9.71 
1961 06 22.39  11.26  16.82 
1961 07 20.99  10.83  15.91 
1961 08 18.46   9.35  13.91 
1961 09 13.58   4.75   9.16 
1961 10 10.74   5.30   8.02 
