1850_221   1850_215
    0       4.86      4.90
    1      12.19      8.69
    2       0.40      0.41
    3       3.26      4.83
    4       2.46      2.58
    5       4.51      5.99
    6       1.23      1.35
    7       4.03      4.05
    8       1.21      1.15
    9       1.27      2.46
   10      -1.00     -1.07
   11       2.39      2.25
   12      19.91     19.56