2008-04-29   37.490
2008-12-20   33.780
2009-01-09   36.140
2009-07-11   31.920
2009-10-09   25.170
2009-11-07   29.600
2009-12-06   37.450
2010-02-11   34.710
2011-11-03   29.300
2012-01-15   31.110