1850_264b   1850_262c
    0       5.18      5.18
    1       7.78      7.79
    2       0.81      0.80
    3       1.14      1.32
    4       2.80      2.77
    5       1.60      1.41
    6       1.60      1.63
    7       1.44      1.92
    8       1.71      1.68
    9       0.58      0.92
   10      -0.65     -0.66
   11       0.79      1.22
   12      19.26     20.22