1850_221   1850_215
    0       2.12      2.22
    1      17.26      7.09
    2       0.01     -0.49
    3      23.25     16.01
    4      -0.31     -0.91
    5      13.38      6.33
    6      -0.13     -0.58
    7      12.45      6.34
    8       0.09     -0.31
    9      15.55     12.19
   10       0.26     -0.30
   11      19.72     16.91
   12      85.03     85.23