1850_66_ga7vdc23   1850_66_ga7
    0       5.60      5.57
    1       7.88      9.58
    2       0.03      0.02
    3       2.03      2.94
    4       3.20      3.11
    5       1.20      1.89
    6       1.47      1.43
    7       2.54      2.42
    8       0.38      0.40
    9       1.99      1.64
   10      -1.56     -1.57
   11       1.63      1.82
   12      21.16     20.47