1968 11  -.83 -10.76  -5.79 
1968 12 11.14 -29.45 -20.29 
1969 01 11.69 -25.70 -18.69 
1969 02 -1.98 -13.96  -7.97 
1969 03  1.95 -11.35  -4.70 
1969 04  8.70  -8.31    .19 
1969 05 13.23  -4.98   4.12 
1969 06 29.21   1.39  15.29 
1969 07 18.52   4.87  11.69 
1969 08 19.35   3.48  11.41 
1969 09 18.59  -1.25   8.67 
1969 10 13.85  -3.16   5.34 
1969 11 -2.63 -13.28  -7.95 
1969 12 -1.35 -10.63  -5.99 
1970 01 10.07 -17.10 -13.58 
1970 02 -4.29  -9.68  -6.99 
1970 03  5.84  -1.31   2.26 
1970 04  7.80    .77   4.28 
1970 05 15.21   5.30  10.25 
1970 06 17.99   6.36  12.17 
1970 07 18.34   5.45  11.89 
1970 08 15.66   6.16  10.91 
1970 09 18.04   8.30  13.17 
1970 10  5.31  -1.97   1.67 
1970 11   .65  -8.76  -4.05 
1970 12 -6.58 -13.13  -9.85 
1971 01 15.04 -22.96 -19.00 
1971 06 13.93   9.74  11.83 
1972 01 -8.93 -24.12 -16.53 
1972 02 -3.33 -16.43  -9.88 
1972 05 14.45   2.93   8.68 
1972 06 15.41   6.61  11.01 
1972 07 21.64   9.95  15.79 
1972 08 19.93   7.52  13.72 
1972 09 13.83   2.48   8.15 
1972 10  6.31  -1.23   2.54 
1973 05 12.79    .38   6.58 
1973 06 18.17   4.23  11.20 
1973 07 20.50   4.50  12.50 
1973 08 17.01   6.80  11.90 
1973 09 13.03   1.98   7.50 
1973 10  4.46  -4.67   -.10 
1973 11 -4.84 -16.65 -10.74 
1974 01 10.87 -22.33 -16.60 
1974 02 -6.39 -15.40 -10.89 
1974 03   .76 -12.35  -5.79 
1974 04  8.37  -2.95   2.71 
1974 05 15.10    .49   7.79 
1974 06 19.52   5.58  12.55 
1974 08 19.82   7.01  13.41 
1974 09 15.94   3.88   9.91 
1974 10  5.92  -2.96   1.48 
1974 11  -.72 -10.39  -5.55 
1975 02 -5.36 -19.35 -12.35 
1975 03   .11 -13.25  -6.57 
1975 04  5.44  -5.40    . 1 
1976 01 -5.68 -13.89  -9.78 
1976 02 -4.58 -17.00 -10.79 
1976 05 11.85    .16   6.00 
1976 06 99.99   2.77 -99.99 
1976 07 99.99   5.56 -99.99 
1976 08 99.99   6.10 -99.99 
1976 11  3.35  -7.10  -1.87 
1976 12 -1.17 -10.43  -5.80 
