Year	% of GDP
1977	46.502932779538476
1978	45.0282217993783
1979	44.70046339021543
1980	43.73324661247597
1981	45.20493120446888
1982	40.28007964530286
1983	36.63055324106071
1984	37.77091234871393
1985	39.13137122596784
1986	44.807643462208205
1987	43.67505861125857
1988	48.616243031974
1989	45.855229442304804
1990	48.278478631612174
1991	47.041898965613164
1992	48.638983981050664
1993	60.01019255513107
1994	64.30756187700209
1995	67.51415876634897
1996	69.22208840583089
1997	71.27226256017245
1998	70.38326088922892
1999	74.1122629166653
2000	78.17454564774316
2001	86.73021720121837
2002	92.34042641569934
2003	89.5681048224543
2004	106.22512527971647
2005	85.78074158679446
2006	87.34944371345796
2007	90.23662897190782
2008	87.10669832453664
2009	96.39783129822459
2010	99.47254157555795
2011	98.852961610179
2012	91.42506514267622
2013	90.05710558212758
2014	88.38508441582826
2015	86.72170792594133
2016	85.09225761661719
2017	82.73183410926679
2018	87.21792760232283
2019	82.14032614965771
2020	94.37633137607774
2021	95.15433332508675
2022	95.8711975601568
2023	90.12862105319836