2011   1   178.183  30
  2011   2   179.611  28
  2011   3   176.124  28
  2011   4   192.220  30
  2011   5   191.080  31
  2011   6   187.409  28
  2011   7   179.540  31
  2011   8   169.987  31
  2011   9   180.611  30
  2011  10   186.043  31
  2011  11   187.675  30
  2011  12   183.208  30