1850_221   1850_215
    0       4.91      4.72
    1      14.25     16.38
    2       0.30      0.01
    3       3.17      5.12
    4       2.59      2.35
    5       4.15      5.75
    6       1.11      0.95
    7       2.54      3.72
    8       1.10      0.74
    9       1.77      3.30
   10      -1.11     -1.52
   11       3.98      5.10
   12      20.01     19.47