1966 10 -2.18 -10.00  -6.09 
1966 11 10.96 -21.32 -16.14 
1966 12 17.28 -29.45 -23.36 
1967 01 17.44 -29.17 -23.30 
1967 02 12.74 -24.98 -18.86 
1967 03 -4.01 -16.99 -10.50 
1967 04  5.19  -5.60   -.20 
1967 05 11.55    .63   6.09 
1967 06 20.19   7.88  14.03 
1967 07 19.14   9.34  14.24 
1967 08 19.20   7.90  13.55 
1967 09 12.98    .27   6.62 
1967 10  -.28  -9.55  -4.91 
1967 11 -4.64 -15.82 -10.22 
1967 12 13.78 -22.94 -18.36 
1968 01 17.02 -29.44 -23.23 
1968 02 -9.10 -20.50 -14.80 
1968 03   .24 -16.08  -7.92 
1968 04  5.55  -7.55  -1.00 
1968 05 14.98  -1.23   6.87 
1968 06 20.24   4.44  12.34 
1968 07 24.05   5.14  14.59 
1968 08 19.77   6.82  13.29 
1968 09 10.60  -1.00   4.80 
1968 10 -1.85 -11.73  -6.79 
1968 11 -9.64 -20.29 -14.96 
1968 12 19.39 -31.29 -25.34 
1969 01 27.55 -35.86 -31.70 
1969 02 10.33 -23.28 -16.80 
1969 03 -1.01 -14.45  -7.73 
1969 04  8.51  -4.08   2.21 
