1968 09 21.16   4.69  12.93 
1968 10 17.61    .64   9.12 
1968 11  7.53  -6.08    .72 
1968 12  4.54 -11.38  -3.42 
1969 01  7.45  -6.89    .27 
1969 02  6.84  -8.31   -.73 
1969 03  4.66 -10.36  -2.85 
1969 04 15.35   -.87   7.24 
1969 05 19.20   3.80  11.50 
1969 06 19.95   5.25  12.60 
1969 07 26.63  11.47  19.04 
1969 08 26.76  10.26  18.51 
1969 09 20.86   5.59  13.22 
1969 10 10.57  -2.41   4.08 
1969 11  9.58  -6.00   1.79 
1969 12  6.11  -8.22  -1.05 
1970 01  5.26  -9.14  -1.94 
1970 02  8.60  -6.97    .81 
1970 03  5.58  -8.12  -1.27 
1970 04 10.98  -3.86   3.56 
1970 05 19.79   2.57  11.18 
1970 06 23.13   6.74  14.93 
1970 07 26.19  10.45  18.32 
1970 08 26.62  11.16  18.89 
1970 09 21.28   4.67  12.98 
1970 10 12.44  -2.39   5.02 
1970 11  8.83  -5.55   1.63 
1970 12  7.79  -6.71    .53 
1971 01  6.50  -7.18   -.33 
1971 02  5.75  -8.82  -1.53 
1971 03 10.18  -7.30   1.44 
1971 04 12.81  -2.56   5.12 
1971 05 17.40    .99   9.19 
1971 06 25.74   7.70  16.71 
1971 07 25.37   9.14  17.26 
1971 08 24.70   8.58  16.64 
1971 09 19.65   3.30  11.47 
1971 10 15.00   -.51   7.24 
1971 11  9.95  -5.74   2.10 
1971 12  5.28  -8.14  -1.43 
1972 01  6.35  -9.05  -1.35 
1972 02  8.53  -7.15    .68 
1972 03 13.78  -3.70   5.04 
1972 04 14.35  -1.45   6.45 
1972 05 17.83   1.40   9.61 
1972 06 24.68   6.69  15.68 
1972 07 26.47   9.01  17.74 
1972 08 26.84  10.07  18.45 
1972 10 15.05    .54   7.79 
1972 11  5.13  -8.37  -1.61 
1972 12  5.85 -11.94  -3.04 
1973 01  4.13 -10.82  -3.34 
1973 02  5.91  -9.26  -1.67 
1973 03  6.20  -6.24    .-1 
1973 04 10.00  -5.32   2.33 
1973 05 16.37   1.74   9.05 
1973 06 23.14   6.13  14.63 
1973 07 25.43   9.38  17.40 
1973 10 17.33  -1.45   7.94 
1973 11 11.66  -5.58   3.04 
1973 12  5.16 -10.59  -2.71 
1974 01  4.75 -11.23  -3.23 
1974 02  7.02  -9.43  -1.20 
1974 03 11.24  -3.95   3.64 
1974 04 13.97  -3.61   5.18 
1974 05 23.20   4.46  13.83 
1974 06 28.50   7.68  18.09 
1974 09 19.46   4.30  11.88 
1974 10 16.49   1.67   9.08 
