1966 09 99.99 -99.99  -8.60 
1966 10 99.99 -99.99 -21.70 
1966 11 99.99 -99.99 -26.30 
1966 12 99.99 -99.99 -28.20 
1967 01 99.99 -99.99 -32.09 
1967 02 99.99 -99.99 -36.09 
1967 03 99.99 -99.99 -33.90 
1967 04 99.99 -99.99 -21.50 
1967 05 99.99 -99.99 -10.80 
1967 06 99.99 -99.99  -2.00 
1967 07 99.99 -99.99   -.80 
1967 08 99.99 -99.99  -2.60 
1967 09 99.99 -99.99  -7.30 
1967 10 99.99 -99.99 -15.80 
1967 11 99.99 -99.99 -29.40 
1967 12 99.99 -99.99 -32.09 
1968 01 99.99 -99.99 -29.80 
1968 02 99.99 -99.99 -38.30 
1968 03 99.99 -99.99 -31.70 
1968 04 99.99 -99.99 -25.30 
1968 05 99.99 -99.99 -11.50 
1968 06 99.99 -99.99  -1.70 
1968 07 99.99 -99.99    .60 
1968 08 99.99 -99.99  -1.50 
1968 09 99.99 -99.99 -10.30 
1968 10 99.99 -99.99 -20.10 
1968 11 99.99 -99.99 -30.00 
1968 12 99.99 -99.99 -33.30 
1969 01 99.99 -99.99 -35.80 
1969 02 99.99 -99.99 -37.09 
1969 03 99.99 -99.99 -38.50 
1969 04 99.99 -99.99 -27.90 
1969 05 99.99 -99.99 -13.70 
1969 06 99.99 -99.99  -2.90 
1969 07 99.99 -99.99   -.90 
1969 08 99.99 -99.99  -3.10 
1969 09 99.99 -99.99 -10.80 
1969 10 99.99 -99.99 -22.00 
1969 11 99.99 -99.99 -29.60 
1969 12 99.99 -99.99 -29.30 
1970 01 99.99 -99.99 -33.50 
1970 02 99.99 -99.99 -36.80 
1970 03 99.99 -99.99 -36.40 
1970 04 99.99 -99.99 -29.70 
1970 05 99.99 -99.99 -11.60 
1970 06 99.99 -99.99  -3.40 
1970 08 99.99 -99.99  -2.09 
1970 09 99.99 -99.99 -11.00 
1970 10 99.99 -99.99 -25.10 
1970 11 99.99 -99.99 -31.10 
1971 03 99.99 -99.99 -35.30 
