land-hist   land-noLu
    0       4.26      4.10
    1       3.84      9.27
    2      -0.94     -1.19
    3       8.18      7.93
    4       2.43      1.80
    5       5.77     10.79
    6      -0.15     -0.38
    7       6.05      7.95
    8       0.44      0.27
    9       7.63      7.12
   10      -1.64     -1.89
   11       7.81      8.72
   12      27.21     27.36