1969 10  1.82  -6.55  -2.36 
1969 11  2.06  -6.00  -1.97 
1969 12 -2.42  -8.97  -5.70 
1970 01 -4.51 -10.89  -7.70 
1970 02   .56  -7.92  -3.68 
1970 03 -2.13 -11.62  -6.87 
1970 06 14.57   5.04   9.80 
1970 07 21.58   8.87  15.22 
1970 08 22.40   9.43  15.92 
1970 11 -1.56  -7.74  -4.64 
1970 12 -6.12 -11.95  -9.03 
1971 01 -5.72 -11.00  -8.35 
1971 02 -3.40 -10.31  -6.85 
1971 03 -2.85 -10.66  -6.75 
1971 05  4.69  -3.27    .71 
1971 06 13.73   4.06   8.89 
1971 07 18.79   6.50  12.65 
1971 08 24.36  11.70  18.03 
1971 09  9.81    .97   5.39 
1971 11  -.90  -6.99  -3.94 
1971 12 -7.08 -13.15 -10.11 
1972 01 -7.72 -14.59 -11.15 
1972 02 -2.46  -9.21  -5.83 
1972 03  2.85  -6.09  -1.62 
1972 04  4.14  -6.18  -1.02 
