1850_174   1850_173
    0       2.15      2.24
    1      12.66      4.10
    2      -0.23     -0.50
    3       8.42      8.69
    4      -0.46     -0.71
    5       3.52      2.44
    6      -0.40     -0.79
    7       8.31      6.37
    8      -0.31     -0.50
    9       6.40      3.23
   10       0.08     -0.12
   11       4.22      5.85
   12      86.65     86.78