1964 12   1.67  -7.03  -2.68 
1965 01   2.89  -4.59   -.85 
1965 02   5.35  -3.49   0.92 
1965 03   7.35  -5.11   1.11 
1965 04  13.37   1.63   7.50 
1965 05  16.33   2.73   9.53 
1965 06  21.36   6.07  13.71 
1965 07  28.03   9.49  18.76 
1965 08  26.35  10.13  18.24 
1965 09  17.94   3.46  10.70 
1965 10  18.32   3.41  10.86 
1965 11   8.29   -.48   3.90 
1965 12   3.58  -3.82   -.12 
1966 01   2.70  -3.99   -.64 
1966 02   3.31  -5.74  -1.21 
1966 03   8.31  -4.31   2.00 
1966 04  13.26  -0.01   6.62 
1966 05  20.57   3.65  12.11 
1966 06  20.77   5.25  13.01 
1966 07  27.41   8.49  17.95 
1966 08  28.35   8.67  18.51 
1966 09  24.45   7.27  15.86 
1966 10  14.59   1.41   8.00 
1966 11   7.62   -.87   3.37 
1966 12   3.83  -2.35   0.73 
1967 01   3.27  -2.57   0.35 
1967 02   6.60  -2.15   2.22 
1967 03   6.69  -3.10   1.79 
1967 04  10.02  -1.66   4.18 
1967 05  17.15   2.73   9.93 
1967 06  22.90   7.34  15.12 
1967 07  30.10   9.32  19.70 
1967 08  33.16   9.83  21.50 
1967 09  27.32   7.35  17.33 
1967 10  14.64   2.13   8.38 
1967 11   7.42  -2.15   2.63 
1967 12   1.21  -6.78  -2.78 
1968 01   2.41  -6.51  -2.05 
1968 02   8.18  -1.78   3.20 
1968 03  11.22   -.67   5.27 
1968 04  11.94  -1.87   5.03 
1968 05  16.65   2.73   9.68 
1968 06  20.87   6.74  13.80 
1968 07  29.56   8.18  18.87 
1968 08  24.87   8.62  16.74 
1968 09  20.03   5.94  12.98 
1968 10  13.11   1.07   7.08 
1968 11   5.65  -1.98   1.83 
1968 12   0.55  -8.14  -3.79 
1969 01   -.67  -9.66  -5.16 
1969 02   2.50  -7.52  -2.51 
1969 03   7.81  -3.99   1.91 
1969 04  14.20   1.00   7.60 
1969 05  19.91   4.26  12.08 
1969 06  22.90   8.35  15.62 
1969 07  27.16   7.87  17.51 
1969 08  28.71   6.72  17.71 
1969 09  22.10   6.06  14.08 
1969 10  11.31   -.19   5.56 
1969 11   9.03  -1.82   3.60 
1969 12   3.14  -3.98   -.41 
1970 01   2.04  -5.65  -1.80 
1970 02   7.72  -1.49   3.11 
1970 03   7.06  -3.34   1.86 
1970 04   9.00  -2.23   3.38 
1970 05  17.46   3.20  10.33 
1970 06  23.29   8.92  16.10 
1970 07  27.73  10.18  18.95 
1970 08  30.42   8.35  19.38 
1970 09  17.65   3.42  10.53 
1970 10  13.33   0.56   6.94 
1970 11   7.36  -2.91   2.22 
1970 12   1.34  -7.26  -2.96 
1971 01   2.86  -5.37  -1.25 
1971 02   5.15  -4.50   0.32 
1971 03   6.32  -3.82   1.25 
1971 04  12.63   -.85   5.89 
1971 05  18.49   3.66  11.07 
1971 06  19.09   6.00  12.54 
1971 07  27.54   8.09  17.81 
1971 08  32.06   9.89  20.97 
1971 09  18.93   2.28  10.60 
1971 10  12.62   -.98   5.82 
1971 11   5.64  -2.16   1.73 
1971 12   0.43  -6.31  -2.94 
1972 04  10.22  -1.16   4.52 
