1850_221   1850_215
    0       2.18      2.23
    1      19.95     15.38
    2       0.16     -0.44
    3      24.68     22.43
    4      -0.03     -0.88
    5      25.11     16.56
    6       0.01     -0.52
    7      21.26     14.52
    8       0.11     -0.28
    9      21.03     20.28
   10       0.36     -0.25
   11      18.84     24.83
   12      85.92     84.61