1964 06  23.45   8.18  15.81 
1964 08  25.41   8.16  16.78 
1964 09  20.75   4.67  12.71 
1964 10  15.76   -.50   7.63 
1966 01   -.21  -8.59  -4.40 
1966 02   3.30  -7.26  -1.98 
1966 04  16.32   -.38   7.97 
1966 06  22.47   6.55  14.51 
1970 08  25.13   9.66  17.39 
1971 01   -.54  -9.26  -4.90 
1972 02   1.05  -7.76  -3.35 
1972 03  10.09  -1.65   4.22 
1974 06  25.63   8.95  17.28 
1976 12  -0.09 -99.99 -99.99 
1977 01  -4.44 -12.30  -8.37 
1977 02   5.76  -3.66   1.05 
1977 03   8.64  -2.52   3.06 
1977 05  16.77   2.69   9.73 
1977 08  29.32  13.84  21.58 
1977 10  13.72   0.62   7.17 
1977 11   3.73  -4.37   -.31 
1978 05  17.33 -99.99 -99.99 
1978 06  24.60   9.55  17.07 
1978 07  27.11  13.02  20.06 
1978 08  25.08  11.28  18.18 
1978 11   1.79 -99.99 -99.99 
1978 12  -2.17 -12.72  -7.44 
