1967 02   0.80 -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   0.80 -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   0.70 -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   0.90 -99.99 -99.99 
1974 02   0.70 -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   0.40 -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   0.80 -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   0.60 -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   0.90 -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   0.80 -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 
