Year	% of GDP
2000	22.37474632
2001	18.47802734
2002	12.42768574
2003	14.38950729
2004	9.88583279
2005	10.56283283
2006	12.27132893
2007	10.51983929
2008	10.1193676
2009	12.26670933
2010	15.65082836
2011	14.10340405
2012	13.5962553
2013	14.3384304
2014	14.6935215
2015	13.52732944
2016	18.61886597
2017	24.28305244
2018	18.64067841
2019	22.41327286
2020	18.86140633
2021	19.96582222