clm40_r270 fert50 1995-2014   clm40_r270 control 1995-2014
    0       1.58      1.08
    1       1.24     38.02
    2       1.30      0.66
    3       8.19     33.73
    4       1.26      0.68
    5       3.20     26.55
    6       1.16      0.57
    7       5.34     24.57
    8       1.27      0.58
    9       9.71     28.61
   10       1.48      0.80
   11       5.13     34.41
   12       5.22      4.69