Year % of internal resources 2006 1.810945273631841 2007 1.810945273631841 2008 1.810945273631841 2009 1.810945273631841 2010 1.810945273631841 2011 1.810945273631841 2012 1.810945273631841 2013 1.810945273631841 2014 1.810945273631841 2015 1.810945273631841 2016 1.810945273631841 2017 1.810945273631841 2018 1.810945273631841 2019 1.810945273631841 2020 1.810945273631841