1971 11  6.07  -1.30   2.38 
1971 12  3.63  -4.96   -.66 
1972 01  1.74  -8.20  -3.23 
1972 02 -2.46 -11.36  -6.91 
1972 03  2.94  -6.56  -1.81 
1972 04  9.51   -.10   4.70 
1972 05 20.11   9.89  15.00 
1972 06 21.20  12.82  17.01 
1972 07 26.84  17.26  22.05 
1972 08 23.67  13.54  18.60 
1972 10 10.86   1.64   6.25 
1972 11  3.70  -2.26    .72 
1973 01  1.00  -7.20  -3.10 
1973 02 -2.05 -11.66  -6.85 
1973 03  8.64    .69   4.66 
1973 04 11.83   3.20   7.51 
1973 05 15.61   6.67  11.14 
1973 06 23.91  14.17  19.04 
1973 07 26.58  15.94  21.26 
1973 08 25.61  16.62  21.12 
1973 09 21.00  10.78  15.89 
1973 10 16.49   7.55  12.02 
1973 11  8.50    .28   4.39 
1973 12  3.02  -5.26  -1.12 
1974 01  1.49  -6.28  -2.39 
1974 02  -.52  -9.57  -5.04 
