1850_215   1850_205
    0       0.79      0.78
    1       3.21      4.38
    2      -0.11     -0.14
    3       9.50     10.83
    4      -0.11     -0.13
    5       7.44      7.80
    6      -0.23     -0.25
    7       7.39      8.55
    8      -0.10     -0.14
    9      11.43     14.92
   10      -0.00     -0.04
   11      11.32     12.47
   12       8.33      8.89