1974 05 99.99 -99.99   6.40 
1974 06 99.99 -99.99   9.30 
1974 07 99.99 -99.99  12.10 
1974 08 99.99 -99.99  13.80 
1974 09 99.99 -99.99  10.60 
1974 10 99.99 -99.99   5.00 
1974 11 99.99 -99.99  -4.69 
1974 12 99.99 -99.99  -7.30 
1975 01 99.99 -99.99 -13.30 
1975 02 99.99 -99.99 -14.10 
1975 03 99.99 -99.99  -3.80 
1975 04 99.99 -99.99   2.00 
1975 05 99.99 -99.99   7.40 
1975 06 99.99 -99.99  10.80 
1975 07 99.99 -99.99  15.80 
1975 08 99.99 -99.99  11.70 
1975 09 99.99 -99.99   8.50 
1975 10 99.99 -99.99   5.00 
1975 11 99.99 -99.99  -3.70 
1975 12 99.99 -99.99  -7.20 
1976 01 99.99 -99.99  -6.50 
1976 02 99.99 -99.99  -6.60 
1976 03 99.99 -99.99  -3.90 
1976 04 99.99 -99.99   3.00 
1976 07 99.99 -99.99  12.30 
1976 08 99.99 -99.99  12.80 
1976 09 99.99 -99.99   9.80 
1976 10 99.99 -99.99   4.50 
