1991-2010   1851-1870
    0       4.94      5.03
    1      17.94     13.89
    2      -0.30     -0.06
    3      13.65     14.96
    4       3.58      3.89
    5      15.46     14.10
    6       0.92      1.40
    7      17.06     11.50
    8       0.90      1.02
    9      13.05     10.03
   10      -0.99     -0.76
   11       9.98     13.71
   12      25.77     26.74