1967 02   .80 -99.99 -99.99 
1967 03  4.10 -99.99 -99.99 
1967 05 14.40 -99.99 -99.99 
1967 06 15.20 -99.99 -99.99 
1967 07 20.60 -99.99 -99.99 
1967 08 17.90 -99.99 -99.99 
1967 10 12.30 -99.99 -99.99 
1967 11  4.69 -99.99 -99.99 
1967 12 -1.20 -99.99 -99.99 
1968 01 -2.90 -99.99 -99.99 
1968 02   .80 -99.99 -99.99 
1968 04  9.60 -99.99 -99.99 
1968 05 13.10 -99.99 -99.99 
1968 06 16.70 -99.99 -99.99 
1968 07 17.79 -99.99 -99.99 
1968 08 15.70 -99.99 -99.99 
1968 09 14.30 -99.99 -99.99 
1968 10 12.70 -99.99 -99.99 
1968 11  3.70 -99.99 -99.99 
1968 12 -1.30 -99.99 -99.99 
1969 01  -.30 -99.99 -99.99 
1969 02 -2.50 -99.99 -99.99 
1969 03  3.50 -99.99 -99.99 
1969 04  8.30 -99.99 -99.99 
1969 05 15.80 -99.99 -99.99 
1969 06 16.00 -99.99 -99.99 
1969 08 16.70 -99.99 -99.99 
1969 09 16.20 -99.99 -99.99 
1969 10 14.00 -99.99 -99.99 
1969 11  4.19 -99.99 -99.99 
1969 12 -3.60 -99.99 -99.99 
1970 01 -1.00 -99.99 -99.99 
1970 02 -1.90 -99.99 -99.99 
1970 03   .70 -99.99 -99.99 
1970 04  6.20 -99.99 -99.99 
1970 05 10.70 -99.99 -99.99 
1970 06 18.79 -99.99 -99.99 
1970 07 18.90 -99.99 -99.99 
1970 08 18.10 -99.99 -99.99 
1970 09 16.79 -99.99 -99.99 
1970 10 10.50 -99.99 -99.99 
1970 11  5.00 -99.99 -99.99 
1970 12  -.50 -99.99 -99.99 
1971 01 -1.40 -99.99 -99.99 
1971 02  -.20 -99.99 -99.99 
1973 02 -2.50 -99.99 -99.99 
1973 03  1.60 -99.99 -99.99 
1973 04  5.50 -99.99 -99.99 
1973 06 17.79 -99.99 -99.99 
1973 09 15.10 -99.99 -99.99 
1973 10  8.89 -99.99 -99.99 
1973 11  5.60 -99.99 -99.99 
1973 12 -1.40 -99.99 -99.99 
1974 01   .90 -99.99 -99.99 
1974 02   .70 -99.99 -99.99 
1974 03  4.69 -99.99 -99.99 
1974 05 11.90 -99.99 -99.99 
1974 07 20.29 -99.99 -99.99 
1974 08 20.10 -99.99 -99.99 
1974 09 14.80 -99.99 -99.99 
1974 10  3.30 -99.99 -99.99 
1974 11  1.60 -99.99 -99.99 
1975 02  1.80 -99.99 -99.99 
1975 03  2.40 -99.99 -99.99 
1975 04  9.20 -99.99 -99.99 
1975 05 15.00 -99.99 -99.99 
1975 06 15.10 -99.99 -99.99 
1975 07 19.50 -99.99 -99.99 
1975 08 18.79 -99.99 -99.99 
1975 09 15.80 -99.99 -99.99 
1975 10  9.50 -99.99 -99.99 
1975 11  3.30 -99.99 -99.99 
1975 12   .40 -99.99 -99.99 
1976 02  2.80 -99.99 -99.99 
1976 03  5.30 -99.99 -99.99 
1976 08 15.90 -99.99 -99.99 
1976 12 -3.40 -99.99 -99.99 
1977 02   .80 -99.99 -99.99 
1977 08 16.10 -99.99 -99.99 
1977 09 15.00 -99.99 -99.99 
1977 10 12.00 -99.99 -99.99 
1977 11  3.80 -99.99 -99.99 
1977 12   .60 -99.99 -99.99 
1978 01  -.40 -99.99 -99.99 
1978 02  -.70 -99.99 -99.99 
1978 03  3.70 -99.99 -99.99 
1978 04  7.80 -99.99 -99.99 
1978 05 11.30 -99.99 -99.99 
1978 09 16.00 -99.99 -99.99 
1979 01 -2.50 -99.99 -99.99 
1979 02   .90 -99.99 -99.99 
1979 03  3.50 -99.99 -99.99 
1979 04  5.30 -99.99 -99.99 
1979 05 14.40 -99.99 -99.99 
1979 07 18.20 -99.99 -99.99 
1979 12  3.60 -99.99 -99.99 
1980 01 -1.20 -99.99 -99.99 
1980 02  4.69 -99.99 -99.99 
1980 03  4.80 -99.99 -99.99 
1980 04  7.50 -99.99 -99.99 
1980 08 22.50 -99.99 -99.99 
1980 09 20.20 -99.99 -99.99 
1980 10 11.00 -99.99 -99.99 
1980 11  5.00 -99.99 -99.99 
1980 12   .80 -99.99 -99.99 
1981 02  2.80 -99.99 -99.99 
1981 03  8.10 -99.99 -99.99 
1981 04 12.30 -99.99 -99.99 
1981 07 18.20 -99.99 -99.99 
1981 08 20.50 -99.99 -99.99 
1981 11  6.30 -99.99 -99.99 
1981 12 -1.70 -99.99 -99.99 
