Year	% of GDP
1965	78.58086861413662
1966	79.82614682847061
1967	79.09854538004507
1968	80.79938987488217
1969	79.04707451877262
1970	75.74409490520073
1971	76.22163018918829
1972	74.19681575032445
1973	74.26923983582007
1974	74.91536004994357
1975	71.855292027297
1976	69.63251543489119
1977	64.66325027320643
1978	70.59169874295068
1979	68.92171440801337
1980	71.82061276065241
1981	76.83579210777422
1982	76.69328252435264
1983	77.53618166457989
1984	78.7857491993983
1985	81.22665522496949
1986	76.94553426721666
1987	81.00285499475524
1988	80.95091983541295
1989	82.93103040922985
1990	88.92797040455362
1991	87.67001557248058
1992	87.74660120112513
1993	86.56008203980761
1994	85.67943340247083
1995	85.53745740097473
1996	86.71733612113701
1997	85.54700835209904
1998	81.62098409864231
1999	82.38478023735317
2000	84.3007454343568
2001	84.35142567002626
2002	83.8125466260563
2003	84.15322876155696
2004	86.0585248573443
2005	86.5832085998095
2006	87.16641176908091
2007	91.34274839449205
2008	92.30139284779082
2009	88.01246703428434
2010	87.26073183318228
2011	87.76727020308837
2012	87.03950921507612
2013	87.67616329619081
2014	86.64729233712218
2015	85.07353794482863
2016	83.61795892181652
2017	83.43501130340896
2018	83.28371286871874
2019	81.75334081813494
2020	80.4974802567614
2021	81.58043517333181
2022	83.6639373883207
2023	81.37961324826652