1850_220   1850_215
    0      14.64     14.07
    1       0.73      3.70
    2       3.68      2.89
    3       2.12      3.34
    4       3.82      3.22
    5       0.68      2.68
    6       4.04      2.83
    7       3.39      4.53
    8       3.40      2.23
    9       6.19      8.11
   10       3.14      2.98
   11       2.61      4.83
   12      60.30     61.21