Year	% of GDP
1960	74.959236773634
1961	78.8326124012972
1962	76.86070996689686
1963	74.11135142819427
1964	72.45195387572069
1965	77.68281101614434
1966	78.18456883509835
1967	74.94572297003907
1968	74.83130904183535
1969	74.13441955193483
1982	88.86337543053962
1983	87.36795119773844
1984	82.72122585777566
1985	78.94617324829179
1986	86.41365825567073
1987	92.45529070830969
1988	91.68913813690425
1989	92.09085443936146
1990	92.96600319680871
1991	91.92671689984529
1992	90.60725435778286
1993	82.6718274606375
1994	80.55005715558363
1995	83.88685440551352
1996	77.48743933647485
1997	72.64246869099529
1998	81.10379445857137
1999	78.70561885762541
2000	77.45806863760305
2001	77.40990722939179
2002	77.4514456572243
2003	77.03890446727151
2004	75.88526363411997
2005	73.63354716597384
2006	77.64436742570031
2007	78.2654523647908
2008	73.5093228588308
2009	78.85100308366052
2010	76.48321071245606
2011	71.7601461415381
2012	77.65278716356019
2013	72.55665502438386
2014	69.0258741056487
2015	76.75078417736036
2016	71.78309183862811
2017	70.89131637265093
2018	72.30257944238726
2019	71.17496673566703
2020	71.25198895497162
2021	72.11421729558037
2022	70.92612295980815
2023	71.34154420452616