Year	% of GDP
1990	36.90718034345227
1991	34.120032207667464
1992	32.67846616198737
1993	29.00738073704986
1994	31.403297541005486
1995	23.22434548107579
1996	23.85936445880705
1997	25.059612123877002
1998	25.503883331222827
1999	24.789033926341176
2000	25.224920307628622
2001	25.633617307450233
2002	26.435682098501335
2003	26.244581766421742
2004	27.35065262511415
2005	27.820892276221908
2006	30.243618904542537
2007	31.717581523759737
2008	30.780717602086057
2009	24.85800067946627
2010	23.419806160003315
2011	22.906437644691568
2012	22.15801376493686
2013	24.263200755860765
2014	26.12776135126974
2015	27.165177780321294
2016	26.965426612823606
2017	29.006734712444082
2018	29.751536467046748
2019	29.22325611255966
2020	28.99617306199381
2021	27.57342159045688
2022	26.545709598438773
2023	27.471985943542055