Year % of internal resources 2004 14.266585514303104 2005 14.266585514303104 2006 14.266585514303104 2007 14.266585514303104 2008 14.266585514303104 2009 14.266585514303104 2010 14.266585514303104 2011 14.266585514303104 2012 14.266585514303104 2013 14.266585514303104 2014 14.266585514303104 2015 14.266585514303104 2016 14.266585514303104 2017 14.266585514303104 2018 14.266585514303104 2019 14.266585514303104 2020 14.266585514303104