1850_217   1850_215
    0       2.19      2.22
    1       8.12      8.10
    2      -0.04     -0.49
    3      12.56     16.18
    4      -0.51     -0.91
    5       4.41      5.87
    6      -0.18     -0.58
    7       9.67      8.26
    8       0.25     -0.31
    9      22.70     19.64
   10       0.14     -0.30
   11       8.73     13.15
   12      84.62     85.23