Year	% of GDP
2003	18.909520727315616
2004	18.709321200625386
2005	20.644376899661772
2006	22.737874649867035
2007	21.439217041877505
2008	20.136400508107293
2009	21.335194642410844
2010	20.503227196769817
2011	20.256563389941256
2012	21.153694644334934
2013	22.268045244921186
2014	22.723222603246846
2015	22.890362752605714
2016	21.674027273712685
2017	21.47432222116185
2018	22.424096885793475
2019	23.708511917310773
2020	24.74516344331517
2021	26.066247125605063
2022	24.822183062818162