1991-2010   1851-1870
    0       4.63      4.90
    1      20.70     11.76
    2      -0.49     -0.22
    3      14.09     16.20
    4       3.48      4.10
    5      18.92     12.41
    6       0.53      1.10
    7      17.10     13.12
    8       0.68      0.74
    9      11.74      9.49
   10      -1.07     -0.89
   11       9.90     12.11
   12      27.80     27.70