1965 11 -1.92 -10.74  -6.33 
1965 12 -5.57 -15.77 -10.67 
1966 01 12.47 -24.73 -18.60 
1966 02 -6.44 -18.69 -12.56 
1966 03 -2.73 -14.50  -8.61 
1966 04  5.57  -4.89    .34 
1966 05 11.87  -1.25   5.31 
1966 06 21.68   7.25  14.46 
1966 07 23.17   8.77  15.97 
1966 08 19.61   8.37  13.99 
1966 09 14.67   3.60   9.13 
1966 10  6.94   -.56   3.19 
1966 11 -1.59  -8.97  -5.28 
1966 12 -9.02 -19.45 -14.24 
1967 01 10.16 -24.47 -17.31 
1967 02 13.09 -30.38 -21.73 
1967 03 -3.98 -19.64 -11.81 
1967 04  3.72  -8.14  -2.21 
1967 05 10.31  -1.99   4.16 
1967 06 22.15   7.31  14.73 
1967 07 22.17 -99.99 -99.99 
1967 08 20.12   8.17  14.15 
1967 09 17.14   4.36  10.75 
1967 10  7.76    . 8   3.92 
1967 11 -2.10  -9.00  -5.55 
1967 12 -5.99 -17.10 -11.54 
1968 01 13.16 -25.48 -19.32 
1968 02 11.92 -25.00 -18.45 
1968 03   .15 -14.15  -7.00 
1968 04  8.42  -3.76   2.33 
1968 05 16.61    .57   8.59 
1968 06 19.33   6.73  13.03 
1968 07 21.56  10.24  15.90 
1968 08 20.06   7.38  13.71 
1968 09 19.45   8.64  14.04 
1968 10 11.11   2.63   6.87 
1968 11  -.96  -7.77  -4.36 
1968 12 -9.17 -17.26 -13.21 
1969 01 -7.84 -16.92 -12.38 
1969 02 -4.86 -20.36 -12.61 
1969 03 -2.96 -18.04 -10.50 
1969 04  6.06  -7.76   -.85 
1969 05 12.67    .25   6.46 
1969 06 18.42   6.04  12.23 
1969 07 23.04   9.62  16.33 
1969 09 13.89   3.21   8.55 
1969 10  5.95  -1.66   2.14 
1969 11   .73  -6.19  -2.73 
1969 12 -7.98 -17.65 -12.81 
1970 01 13.47 -25.72 -19.59 
1970 02 11.17 -26.30 -18.73 
1970 03 -1.34 -15.75  -8.54 
1970 04  7.27  -5.03   1.11 
1970 05 12.75    .-5   6.35 
1970 06 21.23   5.88  13.55 
1970 07 26.20  12.36  19.28 
1970 08 23.29  10.03  16.66 
1970 09 15.14   4.65   9.89 
1970 10 12.59   1.69   7.14 
1970 11   .56  -8.08  -3.76 
1970 12 10.64 -22.15 -16.39 
1971 01 14.19 -25.91 -20.04 
1971 02 -7.21 -22.13 -14.67 
1971 03 -2.51 -17.17  -9.84 
1971 04  6.37  -5.85    .26 
1971 05 14.96   -.21   7.37 
1971 06 23.02   5.39  14.20 
1971 07 21.27   7.80  14.53 
1971 08 21.50   7.72  14.61 
1971 09 18.77   6.76  12.76 
1971 10 12.72   3.55   8.13 
1971 11 -1.22  -8.52  -4.87 
1971 12 -7.30 -19.04 -13.17 
1972 01 11.02 -26.66 -18.84 
1972 02 12.25 -26.50 -19.37 
1972 03 -5.81 -19.31 -12.56 
1972 04  5.57  -7.63  -1.03 
1972 05 17.10    .44   8.77 
1972 06 20.21   4.21  12.21 
1972 07 22.68   7.83  15.25 
