Year % of general government expenditure 1998 1.58744394618834 1999 1.9107505070993898 2000 2.43450221684805 2001 3.0316035895435 2002 4.50121654501217 2003 4.8856416772554 2004 4.7661530143282 2005 4.667519181585679 2006 5.0638812154696105 2007 4.70714094677721 2008 4.46388515029161 2009 3.24851042701092 2010 2.53951800984711 2011 2.6855258150450303 2012 2.44561877841956 2013 2.51530852567122 2014 2.49608062709966 2015 2.7742707879843302 2016 4.01418439716312 2017 4.36725573837091 2018 5.41539016038926 2019 5.35946578787616 2020 5.22094795091828 2021 4.8333333333333295 2022 5.1581975071908