1850_187   1850_186
    0       0.78      0.75
    1       0.51      1.73
    2      -0.15     -0.16
    3       3.84      7.56
    4      -0.14     -0.13
    5       3.02      5.85
    6      -0.28     -0.26
    7       3.33      6.06
    8      -0.15     -0.18
    9       5.45     10.33
   10      -0.06     -0.07
   11       4.22     10.34
   12       7.79      7.94