1850_221   1850_215
    0       2.15      2.19
    1      14.20      9.10
    2       0.13     -0.39
    3      18.79     17.59
    4      -0.15     -0.80
    5      14.92     11.36
    6       0.07     -0.48
    7      15.53     11.51
    8       0.15     -0.22
    9      12.87     13.23
   10       0.29     -0.21
   11      13.76     17.01
   12      84.79     85.40