Year	% of GDP
1960	29.188679663202183
1961	29.772536022249067
1962	29.435560166252532
1963	29.2723109539885
1964	31.211853297342344
1965	30.734319222440647
1966	29.714935727892943
1967	29.46361997642742
1968	28.56188324642671
1969	28.66608870994162
1970	29.470994838203314
1971	28.65949916681872
1972	28.139858181907652
1973	28.60176883525566
1974	27.620381077615342
1975	28.511897723998718
1976	26.389134687797615
1977	23.48620533764386
1978	23.35196443289182
1979	23.68390734021359
1980	24.055627825255197
1981	22.740969441172794
1982	22.100458590949003
1983	24.33316408985079
1984	26.520996734221548
1985	26.436788768612175
1986	26.384198078731526
1987	26.080090290628483
1988	26.822638418807603
1989	27.824830001259222
1990	27.219687918725715
1991	24.733840025098647
1992	23.20368101853986
1993	21.769579626196304
1994	23.772721382643844
1995	26.494134330620373
1996	26.127229438866834
1997	26.729071753638628
1998	27.295305645163165
1999	27.099431484472913
2000	27.9494101491144
2001	28.214372869928916
2002	27.414930170693857
2003	27.351620146984466
2004	28.64354881679489
2005	28.558468962858463
2006	30.035352894670414
2007	30.93993936652292
2008	30.200398387810047
2009	26.435733382976668
2010	28.071365949169753
2011	28.5856265114052
2012	27.36402529891111
2013	26.76107883728419
2014	27.102909538085466
2015	28.238410316232716
2016	27.777698503136218
2017	28.25940402508576
2018	28.243321777865777
2019	29.308389405220474
2020	29.58046560331588
2021	30.61212512471389
2022	31.21929294416141
2023	31.154917512700436