1850_228   1850_215
    0       2.15      2.13
    1      11.58     10.06
    2      -0.06     -0.15
    3      13.72     24.13
    4      -0.54     -0.50
    5       9.50     15.21
    6      -0.12     -0.40
    7      17.60     19.33
    8       0.14     -0.00
    9      20.73     25.83
   10       0.14      0.15
   11       8.89     12.31
   12      85.90     85.18