1961 01 -9.89 -19.17 -14.53 
1961 02 -1.16  -9.89  -5.53 
1961 03  2.45  -9.02  -3.28 
1961 04  4.71  -7.40  -1.34 
1961 05 10.38   1.25   5.81 
1961 06 20.26   8.03  14.14 
1961 07 21.92  10.29  16.10 
1961 08 17.96   6.85  12.41 
1961 09 13.93   3.09   8.51 
1961 10  9.85   3.57   6.71 
1961 11  1.76  -4.40  -1.32 
1961 12 -8.46 -18.65 -13.55 
1962 01 -6.83 -16.00 -11.41 
1962 02 -5.85 -18.75 -12.30 
1962 03 -5.23 -23.76 -14.49 
1962 04  6.22  -2.70   1.75 
1962 05 10.92    .55   5.73 
1962 06 16.59   5.20  10.89 
1962 07 18.99   7.65  13.32 
1962 08 15.60   5.65  10.62 
1962 09 11.82   1.97   6.89 
1962 10  8.70   -.74   3.98 
1962 11  -.27  -7.09  -3.68 
1962 12 -7.59 -17.60 -12.59 
1963 01 -8.24 -19.86 -14.05 
1963 02 -8.54 -20.83 -14.68 
1963 03 -3.83 -17.68 -10.75 
1963 04  6.14  -4.59    .77 
1963 05 16.67   2.56   9.61 
1963 06 17.61   6.04  11.82 
1963 07 20.15   6.78  13.46 
1963 08 19.33   8.47  13.90 
1963 09 15.14   5.71  10.42 
1963 10  7.21  -1.84   2.68 
1963 11 -3.98 -10.98  -7.47 
1963 12 -4.23 -15.63  -9.93 
1964 01  -.56 -10.60  -5.58 
1964 02 -8.34 -20.87 -14.60 
1964 03  -.57 -15.25  -7.91 
1964 04  4.69  -4.23    .23 
1964 05 12.98   1.50   7.24 
1964 06 16.34   5.48  10.91 
1964 07 19.87   7.22  13.54 
1964 08 17.60   7.80  12.70 
1964 09 11.42   1.53   6.47 
1964 10  8.68    .68   4.68 
1964 11   .56  -6.80  -3.12 
1964 12 -4.44 -13.90  -9.17 
1965 01 -7.04 -16.95 -12.00 
1965 02 -4.88 -15.63 -10.25 
1965 03 -1.50 -14.61  -8.05 
1965 04  5.85  -5.82    . 1 
1965 05  9.51  -1.72   3.89 
1965 06 18.45   6.59  12.52 
1965 07 19.04   7.13  13.08 
1965 08 16.69   7.03  11.86 
1965 09 14.48   4.94   9.71 
1965 10  7.11  -1.50   2.80 
1965 11 -5.73 -13.95  -9.84 
1965 12 11.23 -19.29 -15.26 
1966 01 14.69 -25.39 -20.03 
1966 02 17.42 -26.84 -22.13 
1966 03 -5.72 -18.08 -11.90 
1966 04  2.49  -7.89  -2.69 
1966 05 12.43   -.27   6.08 
1966 06 21.74   8.26  15.00 
1966 07 21.03   9.84  15.43 
1966 08 18.07   5.68  11.87 
1966 09  9.76   1.15   5.45 
1966 10  3.42  -2.73    .34 
1966 11   .23  -6.71  -3.24 
1966 12 -3.61  -9.71  -6.66 
1967 01 13.11 -23.43 -18.27 
1967 02 -3.91 -13.73  -8.82 
1967 03  2.15  -5.68  -1.76 
1967 04  6.02  -3.85   1.08 
1967 05 11.55    .39   5.97 
1967 06 17.85   5.88  11.86 
1967 07 20.82   8.41  14.61 
1967 08 18.58   9.95  14.26 
1967 09 15.23   4.10   9.66 
1967 10  5.70  -2.55   1.57 
1967 11  2.44  -3.28   -.41 
1967 12 13.34 -21.30 -17.32 
1968 01 12.77 -24.08 -18.42 
1968 02 10.14 -21.77 -15.95 
1968 03   .94 -11.28  -5.17 
1968 04  6.49  -3.67   1.40 
1968 05  9.38   -.76   4.31 
1968 06 19.87   7.82  13.84 
1968 07 19.95   7.47  13.71 
1968 08 18.56   5.73  12.14 
1968 09 10.77   1.82   6.29 
1968 10   . 1  -7.04  -3.51 
1968 11 -3.52 -13.09  -8.30 
1968 12  -.94 -10.31  -5.62 
