1964 12  1.67  -7.03  -2.68 
1965 01  2.89  -4.59   -.85 
1965 02  5.35  -3.49    .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    .-1   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    .73 
1967 01  3.27  -2.57    .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   .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    .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    .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   .43  -6.31  -2.94 
1972 04 10.22  -1.16   4.52 
