1965 09 23.25  13.11  18.18 
1969 10 17.25   6.40  11.82 
1972 07 27.59  17.75  22.67 
1975 03  6.94  -2.60   2.17 
1975 09 19.53  10.27  14.90 
1975 10 18.16   7.62  12.89 
1977 07 27.99  17.02  22.50 
1978 02 -1.04 -10.38  -5.71 
1978 08 25.13 -99.99 -99.99 
1979 06 25.90  13.79  19.84 
1979 11 11.81   3.29   7.55 
1980 10 15.94   5.47  10.70 
1980 11  8.57   -.91   3.83 
1980 12  1.84  -8.89  -3.52 
1981 01 -2.42 -12.37  -7.39 
1981 02  6.20  -4.65    .77 
1981 06 27.60  15.53  21.56 
1981 08 28.31  17.33  22.82 
2012 10 18.11   9.06  13.58 
2013 03  5.93  -1.63   2.14 
2013 04 14.21   3.49   8.85 
2013 08 26.93  16.79  21.86 
2013 09 22.98  12.07  17.52 
2014 01  1.50  -8.68  -3.59 
2014 02  1.35  -7.15  -2.90 
