1972 11 -7.00 -14.60 -10.80 
1973 01 18.90 -28.80 -23.84 
1973 02 17.90 -31.10 -24.50 
1973 03 -5.10 -19.00 -12.05 
1973 04   .40  -9.20  -4.40 
1973 05  9.30   -.20   4.55 
1973 06 16.29   6.80  11.54 
1973 07 18.90  10.40  14.65 
1973 08 18.90   9.89  14.40 
1973 09  9.80   3.60   6.70 
1973 10  3.10  -2.50    .29 
1973 11 -4.69 -11.70  -8.20 
1973 12 10.80 -17.00 -13.90 
1974 02 17.29 -26.50 -21.90 
1974 03 12.30 -23.60 -17.95 
1974 04 -1.90 -14.20  -8.05 
1974 05  6.60  -2.60   2.00 
1974 06 16.70   6.70  11.70 
1974 07 18.79   9.89  14.35 
1974 08 16.00   8.30  12.15 
1974 09  8.89 -99.99 -99.99 
1974 10  -.80 -99.99 -99.99 
1974 11 -5.30 -12.00  -8.64 
1975 02 16.29 -27.10 -21.70 
1975 07 20.80  10.30  15.54 
1975 09 11.90   4.30   8.10 
1975 10  3.20  -2.50    .35 
1975 11 -5.60 -13.20  -9.39 
1976 02 15.30 -29.60 -22.45 
1976 03 11.10 -31.20 -21.15 
1976 04 -1.30 -13.50  -7.40 
1976 08 16.70   6.90  11.80 
1976 09  8.80    .90   4.85 
1977 03 -1.30 -13.30  -7.30 
1977 04  -.40 -12.10  -6.25 
1977 05  7.50  -2.60   2.45 
1977 06 16.00   4.60  10.30 
1977 09  9.30    .80   5.05 
1977 10  4.60  -3.10    .75 
1977 11 -1.00  -8.10  -4.55 
1977 12 13.40 -25.30 -19.34 
1978 02 -9.89 -21.00 -15.45 
1978 03 10.60 -26.70 -18.65 
1978 04  -.50 -11.30  -5.90 
1978 05  9.20  -2.00   3.60 
1978 06 13.20   3.50   8.35 
