1850_225   1850_215
    0       2.16      2.25
    1      18.85     11.76
    2       0.01     -0.48
    3      22.76     21.35
    4      -0.21     -0.92
    5      25.92     15.85
    6      -0.08     -0.57
    7      23.36     17.02
    8       0.00     -0.33
    9      18.46     15.98
   10       0.16     -0.26
   11      14.93     19.14
   12      85.51     84.59