1967 10  9.00 -14.60  -2.80 
1967 11  5.00 -10.40  -2.69 
1967 12  2.30 -26.50 -12.10 
1968 01  3.10 -27.00 -11.95 
1968 02  2.40 -28.00 -12.80 
1968 03  2.50 -21.10  -9.30 
1968 04  9.00 -19.50  -5.25 
1968 06 19.50  -1.90   8.80 
1968 07 20.40   -.50   9.95 
1968 08 21.80  -1.60  10.09 
1968 09 21.00  -9.50   5.75 
1968 10  7.80 -21.10  -6.65 
1968 11  2.50 -24.00 -10.75 
1968 12  4.19 -17.50  -6.65 
1969 01  1.60 -27.00 -12.70 
1969 02  1.50 -27.60 -13.05 
1969 03  1.40 -22.60 -10.60 
1969 04  7.40 -17.29  -4.94 
1969 05 11.00 -10.00    .50 
1969 06 25.60  -2.50  11.55 
1969 07 20.80   4.30  12.54 
1969 08 27.20   4.40  15.80 
1969 09 12.90  -5.20   3.85 
1969 10 10.00  -9.89    . 5 
1969 11  1.50 -22.00 -10.25 
1969 12  5.80 -29.60 -11.90 
1970 01  1.30 -24.20 -11.45 
1970 02   . 0 -25.50 -12.75 
1970 03  2.00 -19.20  -8.60 
1970 04  5.20 -20.10  -7.45 
1970 05 14.00  -6.60   3.70 
1971 02  2.50 -25.70 -11.60 
1971 05 19.00  -9.00   5.00 
1971 06 20.20  -1.30   9.45 
1971 09 19.90  -4.40   7.75 
1971 10  7.40 -14.50  -3.55 
1971 11  4.19 -26.80 -11.29 
1971 12  6.00 -16.00  -5.00 
1972 03  3.00 -99.99 -99.99 
1972 07 25.50    . 0  12.75 
1972 10  9.20 -10.50   -.65 
1972 11  2.50 -18.00  -7.75 
1972 12  4.00 -15.00  -5.50 
1973 01  4.00 -18.00  -7.00 
1973 02  -.10 -23.20 -11.65 
1973 03  4.60 -16.00  -5.70 
1973 04  4.00 -15.80  -5.90 
1973 05 12.10  -9.60   1.25 
1973 08 21.20    .10  10.65 
1973 09 14.10  -4.50   4.80 
1973 10  9.30 -18.50  -4.60 
1973 11  5.80 -23.50  -8.85 
1973 12  2.70 -25.10 -11.20 
1974 01  2.09 -16.60  -7.25 
1974 02  3.20 -18.79  -7.80 
1974 03  4.60 -20.20  -7.80 
1974 04  6.60 -20.50  -6.95 
1974 05 13.30  -7.80   2.75 
1974 06 25.70  -3.50  11.10 
1974 10  7.20  -9.39  -1.09 
1974 11  1.80 -14.80  -6.50 
1974 12  3.50 -23.30  -9.89 
1975 01  4.10 -25.10 -10.50 
1975 02  4.30 -26.40 -11.04 
1975 03  2.00 -17.50  -7.75 
1975 04  6.30 -17.70  -5.70 
1975 05 11.80  -6.40   2.70 
1975 10 10.90 -13.70  -1.40 
1975 11  7.00 -17.60  -5.30 
1975 12  2.90 -21.90  -9.50 
1976 01  -.80 -27.40 -14.10 
1976 02  2.50 -23.30 -10.40 
1976 03  4.00 -25.90 -10.95 
1976 04  4.00 -18.50  -7.25 
1976 05 11.40 -15.00  -1.80 
1976 06 15.70  -4.19   5.75 
1976 07 21.20    .90  11.05 
1976 08 22.80   1.00  11.90 
1976 09 14.00  -9.10   2.44 
1976 10  8.80 -10.00   -.59 
1976 11  4.69 -19.79  -7.55 
1976 12   .20 -29.00 -14.40 
1977 01  3.60 -24.10 -10.25 
1977 02 -1.30 -26.10 -13.70 
1977 03  4.50 -24.50 -10.00 
1977 04  5.70 -21.10  -7.70 
1977 05  8.70 -10.90  -1.09 
1977 06 18.00  -1.30   8.35 
1977 08 21.10   -.10  10.50 
1977 09 12.00  -4.30   3.85 
1977 10  7.60  -9.50   -.95 
1977 11  8.00 -19.90  -5.95 
1977 12  2.60 -20.00  -8.70 
1978 02  3.10 -30.60 -13.75 
1978 03  2.90 -28.00 -12.55 
1978 04  7.10 -18.40  -5.64 
1978 05 12.30 -13.30   -.50 
1978 06 20.80    .70  10.75 
1978 08 19.79  -3.20   8.29 
1978 09 15.80  -7.30   4.25 
1978 10  9.70 -15.60  -2.95 
1978 11  5.80 -22.20  -8.20 
1978 12 -1.30 -35.09 -18.19 
1979 01 -1.60 -29.40 -15.50 
1979 02  2.40 -27.00 -12.30 
1979 03  2.80 -28.00 -12.60 
1979 04  6.80 -17.50  -5.35 
1979 05  9.80  -8.89    .45 
1979 06 23.70   -.80  11.45 
1979 09 15.70  -4.90   5.39 
1979 10  5.20 -11.10  -2.95 
1979 11  2.60 -17.29  -7.34 
1979 12  1.50 -25.70 -12.10 
1980 02  2.30 -30.30 -14.00 
1980 03  1.00 -25.30 -12.15 
1980 04  6.40 -12.10  -2.85 
1980 05 16.20  -5.10   5.55 
1980 06 23.30   -.20  11.54 
1980 08 25.00   -.10  12.45 
1980 09 12.40  -3.50   4.44 
1980 10  8.39 -20.20  -5.90 
1980 11  3.10 -24.90 -10.90 
1980 12  1.60 -25.50 -11.95 
1981 03  2.50 -27.90 -12.70 
1981 06 14.40  -3.70   5.35 
1981 07 25.40   1.20  13.30 
