1850_220   1850_215
    0       2.14      2.23
    1      20.59     14.62
    2       0.26     -0.44
    3      26.21     27.13
    4      -0.05     -0.88
    5      24.08     15.26
    6       0.13     -0.52
    7      20.40     12.83
    8       0.29     -0.28
    9      21.95     22.64
   10       0.50     -0.25
   11      21.21     29.80
   12      85.19     84.61