GSWP3_controla   CRUNCEP_controla
    0       4.15      4.36
    1      15.13     11.31
    2      -1.48     -1.18
    3       8.33     12.40
    4       2.15      2.92
    5      13.05     11.77
    6      -1.01     -0.53
    7       9.03     11.85
    8       0.28      0.39
    9       3.27      3.71
   10      -2.04     -1.94
   11       5.44      4.10
   12      23.65     24.74