Year	% of GDP
1972	16.664884016333566
1973	17.195617554349077
1974	17.659103414990863
1975	20.665171662261677
1976	20.33388906473627
1977	22.81675495750259
1978	23.673867819769562
1979	21.88217875646596
1980	22.336086772382146
1981	22.796171703903173
1982	22.933764402961565
1983	25.452284233906465
1984	24.89418137013251
1985	24.86552497143575
1986	24.160788270442815
1987	24.360278476046794
1988	23.561068658307843
1989	22.597580114543288
1990	22.87627833103513
1991	21.608056331721073
1992	22.185822353542566
1993	23.754366341264326
1994	25.028312977552453
1995	24.47322706915562
1996	24.697387080026793
1997	25.24415232739704
1998	25.601176944394403
1999	25.100328459176495
2000	25.472596895496558
2001	24.984894192766138
2002	24.781702871533728
2003	24.630096128509212
2004	24.042573185433227
2005	25.335555453841565
2006	23.929841204305657
2007	24.380345488908997
2008	23.55571077401778
2009	23.8391085158098
2010	23.81784043781159
2011	23.987047854064482
2012	24.4278271542178
2013	24.552266956073215
2014	24.74515711338668
2015	23.321859372663564
2016	23.767509674945597
2017	24.518147052893525
2018	26.644593907064074
2019	26.466217093609867
2020	25.255065663899757
2021	25.865506573581353
2022	25.97288111545357