1965 11 -4.09 -11.74  -7.91 
1965 12 -8.22 -15.95 -12.09 
1966 01 -9.06 -15.82 -12.44 
1966 02 -4.34 -13.33  -8.83 
1966 03 -3.94 -14.81  -9.37 
1966 04  6.54  -3.50   1.52 
1966 05 10.59   1.37   5.98 
1966 06 17.45   7.38  12.42 
1966 07 17.76   9.00  13.38 
1966 08 17.48   8.46  12.96 
1966 09 11.99   4.21   8.10 
1966 10  2.67  -3.65   -.49 
1966 11 -3.89 -11.79  -7.84 
1966 12 -7.69 -15.22 -11.45 
1967 01 -6.68 -17.81 -12.24 
1967 02 -3.08 -13.34  -8.21 
1967 03   .99 -10.01  -4.51 
1967 04  6.58  -3.12   1.73 
1967 05 14.56   1.54   8.05 
1967 06 16.76   8.10  12.43 
1967 07 19.53   9.71  14.62 
1967 08 17.44   9.97  13.70 
1967 09 11.96   4.69   8.33 
1967 10  4.86  -3.80    .53 
1967 11   .86  -5.88  -2.51 
1967 12 -6.67 -13.68 -10.17 
1968 01 10.07 -16.62 -13.34 
1968 02 -2.41  -9.39  -5.90 
1968 03  2.15  -7.21  -2.53 
1968 04  5.38  -4.23    .57 
1968 05 13.82   3.05   8.43 
1968 06 17.93   6.44  12.18 
1968 07 19.84   9.52  14.68 
1968 08 19.36   8.68  14.02 
1968 09 11.83   1.64   6.73 
1968 10  3.05  -3.92   -.43 
1968 11 -3.81 -10.37  -7.09 
1968 12 11.07 -18.58 -14.82 
1969 01 12.76 -20.14 -16.45 
1969 02 -4.87 -13.23  -9.04 
1969 03  1.81  -7.36  -2.77 
1969 04  8.02  -1.53   3.24 
1969 05 13.15   1.91   7.53 
1969 06 19.54   8.33  13.93 
1969 07 18.70   8.96  13.83 
1969 08 16.59   6.07  11.33 
1969 09 13.64   3.76   8.70 
1969 10  8.49    .-4   4.22 
1969 11 -2.50 -10.02  -6.26 
1969 12  1.33  -5.36  -2.01 
1970 01 11.31 -18.20 -14.75 
1970 02  1.85  -5.29  -1.72 
1970 03  5.12  -3.37    .87 
1970 04  5.68  -3.70    .98 
1970 05 13.77   1.24   7.50 
1970 06 16.28   6.29  11.28 
1970 07 17.16   7.74  12.45 
1970 08 15.70   6.84  11.27 
1970 09 11.06   2.24   6.65 
1970 10  2.44  -5.48  -1.52 
1970 11 -1.82  -7.96  -4.89 
1970 12 -8.14 -15.32 -11.73 
1971 01 14.22 -22.56 -18.39 
1971 02 -3.99 -12.08  -8.03 
1971 03 -4.63 -17.07 -10.85 
1971 04  4.92  -4.50    .21 
1971 05  8.92    .35   4.63 
1971 06 16.20   5.96  11.08 
1971 07 17.89   8.49  13.19 
1971 08 17.07   9.29  13.18 
1971 09 11.57   3.72   7.64 
1971 10  2.87  -4.77   -.95 
1971 11 -5.04 -12.03  -8.53 
1971 12 -6.21 -14.26 -10.23 
1972 01 11.43 -18.25 -14.84 
1972 02 -5.48 -15.84 -10.66 
1972 03 -4.66 -16.24 -10.45 
1972 04  2.02  -9.76  -3.87 
1972 05 10.32   1.13   5.72 
1972 06 15.09   5.87  10.48 
