Year        1        2        3        4        5        6        7        8        9       10       11       12    Total
    2010      50.2      5.3      0.0      0.0      0.0      0.0                        2.5                                58.1
    2009       0.0                                                                             97.0    141.2     54.3    292.6
    2008      42.1     34.8     40.9     17.0      9.1     12.4      4.6     25.4      6.6     25.7     11.4      2.8    232.9
    2007     172.0     62.0     92.5     23.3      8.1     15.0     22.6     14.5     12.2     45.2      5.8    113.5    586.6
    2006     140.7     33.0     23.1     25.6     19.3     16.0      2.3      2.3     18.5      8.6    259.1     92.9    641.5
    2005                                                                                       20.3     64.3     53.8    138.4