1971 08 99.99 -99.99   9.10 
1971 09 99.99 -99.99   1.30 
1971 10 99.99 -99.99  -8.39 
1971 11 99.99 -99.99 -22.10 
1971 12 99.99 -99.99 -25.90 
1972 02 99.99 -99.99 -29.70 
1972 03 99.99 -99.99 -20.90 
1972 04 99.99 -99.99 -11.50 
1972 05 99.99 -99.99   2.20 
1972 06 99.99 -99.99  12.00 
1972 07 99.99 -99.99  13.20 
1972 08 99.99 -99.99  13.20 
1972 09 99.99 -99.99   -.60 
1972 10 99.99 -99.99  -6.00 
1972 11 99.99 -99.99 -20.20 
1972 12 99.99 -99.99 -23.20 
1973 01 99.99 -99.99 -25.80 
1973 02 99.99 -99.99 -24.30 
1973 03 99.99 -99.99 -20.70 
1973 04 99.99 -99.99  -5.30 
1973 05 99.99 -99.99   7.20 
1973 06 99.99 -99.99  11.50 
1973 07 99.99 -99.99  14.90 
1973 08 99.99 -99.99   9.89 
