1850_263d   1850_262c
    0       1.15      1.14
    1       1.41      0.87
    2       0.24      0.26
    3       1.02      0.67
    4       0.40      0.40
    5       0.66      1.72
    6       0.30      0.32
    7       2.99      1.17
    8       0.08      0.12
    9       1.19      1.09
   10       0.18      0.20
   11       1.32      0.77
   12      47.96     51.14