Year	% of GDP
1965	32.731829088963025
1966	31.85079416156013
1967	31.13330046006545
1968	31.505785698454304
1969	30.723510805269438
1970	31.363920176286165
1971	31.004128617224158
1972	31.964969469333987
1973	30.792826299791937
1974	29.539765761924784
1975	29.119713288684945
1976	27.61010709293859
1977	33.64508248392077
1978	31.353354510428115
1979	30.823602870058604
1980	28.676784825478137
1981	27.176576695485068
1982	27.00575450053526
1983	23.193279038755684
1984	21.971830719169482
1985	20.59052902779078
1986	21.629627950428844
1987	23.986435338807084
1988	23.942431203461265
1989	25.506759994786876
1990	23.99487033584176
1991	24.259026474482773
1992	26.57966517824894
1993	18.236727193174602
1994	19.609754203059964
1995	19.14485372156485
1996	18.322319253380012
1997	18.967887780649136
1998	19.00100049878902
1999	18.97879033509834
2000	18.117742464256605
2001	18.620958266944495
2002	18.271680395233368
2003	17.473784234888974
2004	17.56095272188131
2005	16.734176851979
2006	15.625081794524732
2007	15.857531905937613
2008	16.00119188546647
2009	16.38719034539914
2010	17.269710876721714
2011	16.697390736319313
2012	16.657240168221747
2013	16.723661192250734
2014	16.82583817800948
2015	17.209415904159307
2016	17.192662389115068
2017	16.692941822773058
2018	16.498800697859316
2019	16.80228356444006
2020	17.496865054091426
2021	16.96610475999315
2022	16.97989645750123
2023	16.702894699082474