Year	% of GDP
1975	6.946509346269276
1976	6.677008080993467
1977	6.830750554727348
1978	7.085306707081357
1979	6.788954651967928
1980	7.443418079335558
1981	8.404660169015964
1982	8.925911211961258
1983	9.799062719519881
1984	10.155365539202085
1985	10.043367746815735
1986	9.793743739192765
1987	9.730580165713164
1988	9.620178959497297
1989	9.16039749682458
1990	8.198816942911012
1991	8.045063896608637
1992	8.621303396590498
1993	9.39890001067307
1994	9.929225378558087
1995	10.301369288655565
1996	10.832539587789077
1997	11.681714769776775
1998	12.535955646554383
1999	13.201305245820999
2000	14.21861131910287
2001	14.355563663738197
2002	13.865152182966215
2003	13.279083113386289
2004	13.028409445407135
2005	13.230818212673089
2006	13.70438726544628
2007	13.457927906101647
2008	13.215105328313244
2009	12.29478462280681
2010	12.617378909994653
2011	13.673496159637041
2012	14.099430809755889
2013	14.028318456395045
2014	14.891134905953615
2015	15.351617607229723
2016	15.90189089478527
2017	16.456241241873094
2018	16.720858780002377
2019	17.401252858118905
2020	11.877503766534595
2021	13.517335365769462
2022	17.751680974957132
2023	18.696816865884582