1963 11  4.07  -3.48    .29 
1963 12 -9.21 -15.94 -12.57 
1964 01 -8.26 -15.81 -12.03 
1964 02 -6.49 -14.14 -10.31 
1964 03 -3.61 -11.81  -7.71 
1964 04  4.92  -3.54    .69 
1964 05 11.89   2.55   7.22 
1964 06 17.85   7.35  12.60 
1964 07 20.53  11.22  15.87 
1964 08 17.70   9.84  13.77 
1964 09 13.30   5.80   9.55 
1964 10  7.37   -.93   3.22 
1964 11   .10  -6.96  -3.43 
1964 12 -5.59 -12.69  -9.13 
1965 01 10.43 -18.59 -14.51 
1965 02 -6.96 -16.25 -11.60 
1965 03 -3.27 -10.12  -6.69 
1965 04  3.46  -4.05   -.29 
1965 05 10.88   1.90   6.39 
1965 06 18.21   8.45  13.33 
1965 07 18.67   9.35  14.01 
1965 08 18.09   9.84  13.96 
1965 09 14.26   5.43   9.84 
1965 10  5.45  -1.22   2.11 
1965 11 -1.35  -8.54  -4.94 
1965 12 -6.42 -12.95  -9.68 
1966 01 -6.09 -12.62  -9.35 
1966 02 -5.75 -13.26  -9.50 
1966 03  1.19  -6.89  -2.85 
1966 04  4.35  -3.57    .39 
1966 05 11.05   2.04   6.54 
1966 06 18.90   9.32  14.11 
1966 07 20.55  11.46  16.00 
1966 08 18.93  11.14  15.03 
1966 09 14.85   6.22  10.53 
1966 12 -5.40 -11.45  -8.42 
1967 01 -8.72 -16.49 -12.60 
1967 02 11.94 -20.40 -16.17 
1967 03 -6.83 -16.20 -11.51 
1967 04  1.74  -7.34  -2.80 
1967 05  7.26   -.81   3.22 
1967 06 20.07   8.89  14.48 
1967 07 23.01  13.65  18.33 
1967 08 20.65  12.03  16.34 
1967 09 16.42   6.62  11.52 
1967 10  9.01   1.17   5.09 
1967 11  1.48  -5.01  -1.76 
1967 12 -5.04 -12.10  -8.57 
1968 01 11.38 -18.79 -15.08 
1968 02 10.05 -17.36 -13.70 
1968 03 -2.28 -10.95  -6.61 
1968 04  6.81  -2.23   2.29 
1968 05 12.14   2.03   7.08 
1968 06 16.68   7.31  11.99 
1968 07 20.85  11.49  16.17 
1968 08 15.84   7.27  11.55 
1968 09 17.21   9.01  13.11 
1968 10  9.50   3.05   6.27 
1968 11 -2.00  -5.78  -3.89 
1968 12 -4.67 -10.09  -7.38 
1969 01 -5.59 -12.49  -9.04 
1969 02 -5.60 -12.46  -9.03 
1969 03 -2.41  -9.38  -5.89 
1969 04  1.78  -5.32  -1.77 
1969 06 19.02   8.43  13.72 
1969 07 19.96  10.16  15.06 
1969 08 20.43  11.25  15.84 
1969 09 13.24   4.58   8.91 
1969 10  5.80  -1.04   2.37 
1969 11  3.70  -2.83    .43 
1969 12 -4.17  -9.55  -6.86 
1970 01 12.67 -19.20 -15.94 
1970 02 -7.34 -16.29 -11.81 
1970 03 -2.40  -9.17  -5.78 
1970 04  3.43  -4.25   -.40 
1970 05 11.98   2.70   7.33 
1970 06 17.95   8.52  13.24 
1970 07 22.90  12.83  17.86 
1989 06 18.67   9.03  13.85 
1989 07 21.84  11.35  16.59 
1989 08 20.19  12.37  16.28 
1989 09 17.43   8.05  12.74 
1989 10  8.78    .72   4.75 
1989 11  -.23  -7.62  -3.92 
1989 12 11.30 -17.48 -14.39 
1990 01 -6.47 -16.23 -11.35 
1990 02 -9.46 -19.36 -14.41 
1990 03 -1.10 -10.92  -6.01 
1990 04  5.84  -2.35   1.74 
1990 05 11.82   1.95   6.88 
1990 06 20.48  10.74  15.61 
1990 07 22.68  12.84  17.76 
1990 08 22.77  13.48  18.12 
1990 09 15.17   6.30  10.73 
1990 10  7.94    .97   4.45 
1990 11  -.21  -5.56  -2.88 
1990 12 -3.33 -12.29  -7.81 
1991 01 11.87 -21.72 -16.79 
