1850_252   1850_227
    0       2.28      2.14
    1      10.57     22.81
    2      -0.54      0.07
    3      23.08     29.66
    4      -0.97     -0.23
    5       9.95     25.52
    6      -0.67     -0.08
    7      11.15     23.63
    8      -0.32      0.12
    9      16.69     15.89
   10      -0.35      0.30
   11      26.81     22.28
   12      84.36     85.51