2008-04-29   8.002
2008-12-20   7.993
2009-01-09   8.196
2009-07-11   7.956
2009-10-09   8.972
2009-11-07   8.571
2009-12-06   7.675
2010-02-11   8.157
2011-11-03   8.131
2012-01-15   8.034