1850_259   1850_227
    0       2.20      2.14
    1       4.04      7.87
    2       0.05      0.14
    3       9.17     11.37
    4      -0.17     -0.16
    5       4.56      4.15
    6      -0.11      0.01
    7       4.32      7.51
    8      -0.00      0.17
    9      13.09     19.60
   10       0.31      0.36
   11       5.10      4.98
   12      84.50     85.42