1991-2010   1851-1870
    0      12.94     12.89
    1       5.90      7.72
    2       0.45      0.21
    3       7.94      5.56
    4      -0.01     -0.21
    5       7.66      5.62
    6      -0.56     -1.90
    7      12.67     11.23
    8       2.73      2.86
    9      15.54     12.67
   10      -0.61     -0.17
   11       8.00      8.21
   12      62.00     62.67