Year	% of GDP
1999	23.32921911654222
2000	25.86141896802325
2001	25.69489759677992
2002	28.192503950661575
2003	28.806539065259322
2004	29.64276149387488
2005	33.88909418903406
2006	34.867844918215
2007	32.932076165015324
2008	34.275882174241715
2009	33.34489917025855
2010	33.16797030122659
2011	34.98548153023545
2012	36.095078391003746
2013	34.76762281649774
2014	33.68454517097639
2015	35.75839408129767
2016	31.202733164330688
2017	32.57099845130881
2018	32.13503940285683
2019	31.865843742252714
2020	32.31673845684512
2021	30.054785960865914
2022	32.956368195080316