1850_250   1850_227
    0       2.13      2.20
    1       8.12      2.19
    2      -0.03     -0.29
    3       9.23      6.60
    4      -0.39     -0.59
    5       5.99      1.27
    6      -0.10     -0.45
    7      13.30      6.13
    8       0.07     -0.16
    9       6.20      5.85
   10       0.17     -0.09
   11       5.37      5.18
   12      84.63     85.21