1850_255   1850_227
    0       2.29      2.14
    1      12.68     23.22
    2      -0.52      0.14
    3      22.02     25.92
    4      -0.89     -0.16
    5      11.93     24.88
    6      -0.64      0.01
    7      13.69     22.23
    8      -0.38      0.17
    9      22.37     27.29
   10      -0.33      0.36
   11      24.12     21.20
   12      84.70     85.42