1969 12  4.42  -9.16  -2.36 
1970 01 -3.07 -13.88  -8.47 
1970 02  6.59  -5.89    .35 
1970 03  4.73  -6.23   -.74 
1970 04  9.57   -.67   4.44 
1970 05 18.85   3.99  11.42 
1970 06 27.19  10.94  19.06 
1970 07 31.50  12.29  21.89 
1970 08 32.93  11.57  22.25 
1970 09 21.72   3.58  12.65 
1970 10 14.43   -.91   6.76 
1970 11  6.58  -8.05   -.73 
1970 12  1.20 -14.89  -6.84 
1971 01 -3.11 -99.99 -99.99 
1971 02  1.90 -11.91  -5.00 
1971 03  6.74  -6.80    .-3 
1971 04 14.07   -.84   6.61 
1971 05 20.16   3.48  11.82 
1971 06 24.89   8.12  16.50 
1971 07 29.37   8.33  18.85 
1971 08 33.34  11.72  22.53 
1971 09 20.77 -99.99 -99.99 
1971 10 14.51  -1.05   6.72 
1972 01 -5.09 -19.54 -12.31 
1972 02  -.97 -15.59  -8.28 
