Year	% of GDP
1995	23.54943676762979
1996	21.94534412739297
1997	21.02415425990885
1998	22.629976282928947
1999	22.540617718367663
2000	20.88786618310575
2001	20.540460157299584
2002	20.626311134479646
2003	21.095065469969942
2004	19.81802195116522
2005	17.866644513214485
2006	17.221544282118018
2007	17.622242338255088
2008	19.708532839061004
2009	19.040744614423318
2010	18.407334594576067
2011	18.62574783038114
2012	17.315176135507134
2013	17.644002969799566
2014	17.83467498796443
2015	18.079217077105987
2016	17.840484004697586
2017	18.001045269322503
2018	17.89941508336067
2019	19.15717494488332
2020	20.27560306457817
2021	21.03691956312124
2022	19.26657107151591
2023	19.72139271768488