Year % of profit 2005 272 2006 272 2007 235.2 2008 235.2 2009 235.2 2010 235.2 2011 32.4 2012 32.4 2013 31 2014 31 2015 30.7 2016 30.7 2017 30.7 2018 30.7 2019 30.7