1850_228   1850_215
    0       0.82      0.79
    1       0.72      2.09
    2      -0.06     -0.11
    3       6.02      8.35
    4      -0.08     -0.11
    5       4.32      5.46
    6      -0.19     -0.23
    7       5.25      6.11
    8      -0.03     -0.10
    9       8.94     11.36
   10       0.04     -0.00
   11       6.56     10.66
   12       8.19      8.57