1850_262c   1850_260
    0       2.29      2.26
    1       4.20      7.71
    2       0.53      0.40
    3       3.43      7.79
    4       0.36      0.20
    5       1.55      1.27
    6       0.40      0.20
    7       2.62      2.68
    8       0.47      0.48
    9       2.24      3.16
   10       0.76      0.57
   11       1.29      3.07
   12      84.50     83.81