Year	% of GDP
1980	30.966616261486564
1981	36.60363793227407
1982	35.19594664460759
1983	33.58220469166113
1984	35.08836187162348
1985	31.79047285958405
1986	32.44005600776207
1987	31.066783826472093
1988	34.0870150292997
1989	31.37127582164369
1990	21.979440677144606
1991	26.85777450257922
1992	14.048804780876495
1993	7.654064904650385
1994	8.775304414003045
1995	27.145115887485627
1996	12.33062919183463
1997	22.416020254348947
1998	25.546093320047387
1999	15.268313587512264
2000	13.738152838341
2001	12.032337886514362
2002	12.554017304792739
2003	11.8941797746056
2004	12.282734691580218
2005	13.08459194967633
2006	14.964629820575254
2007	14.783744692925154
2008	17.191109553387673
2009	20.283275280154616
2010	19.333536117241522
2011	21.51649410531596
2012	18.60831166135796
2013	20.44728521510892
2014	20.42868723856085
2015	21.87871917042793
2016	23.872553670714307
2017	24.10385551091448
2018	23.741112906509265
2019	24.20943133135059
2020	22.278958200069425
2021	22.906743089877835
2022	23.581647980498968
2023	22.015431353210996