1850_172   1850_170
    0       2.16      2.23
    1      12.35      5.11
    2      -0.27      0.19
    3      16.66     13.05
    4      -0.43      0.17
    5      12.46     14.39
    6      -0.46      0.01
    7      13.78     11.44
    8      -0.32     -0.05
    9       9.12      8.44
   10      -0.03      0.49
   11      18.57     18.81
   12      86.66     86.20