Year	% of GDP
1960	20.87566279557613
1961	18.88580101468615
1962	18.24270333728551
1963	18.557214149903466
1964	17.901935581838533
1965	19.013809187335234
1966	18.960550967273882
1967	18.122815289068956
1968	18.442770607777998
1969	18.49228334019124
1970	19.794725972664722
1971	18.914797745301286
1972	19.057758635193565
1973	22.073713664272603
1974	25.304415452852304
1975	26.82126152774389
1976	27.670033153829937
1977	26.561636412965512
1978	25.292406557135216
1979	24.77704662809979
1980	27.62817659065312
1981	24.94149238763082
1982	26.225791270462395
1983	28.147515651104833
1984	29.67720287989492
1985	30.683268125221247
1986	30.149206391834593
1987	30.007882208642002
1988	23.277868510881305
1989	29.93089095861053
1990	28.482673376470636
1991	28.76647342429111
1992	28.160974080228335
1993	27.98939742361136
1994	26.5098819046861
1995	26.99623110436055
1996	27.38828903810463
1997	26.715312327108055
1998	28.498595039024995
1999	29.174085225303546
2000	34.6709932540269
2001	32.66541722366908
2002	27.162822326050957
2003	28.775984407587206
2004	28.24825437021809
2005	30.727128701444826
2006	32.47306246206639
2007	34.9357201242004
2008	35.93562163030729
2009	29.96602861807159
2010	31.61094220316937
2011	35.50722292607001
2012	40.081922784056715
2013	40.60103715340458
2014	41.596779308603104
2015	38.500941368815774
2016	38.809588041406215
2017	43.094526245667794
2018	48.75230817365216
2019	48.8621929202984
2020	48.36684893122924
2021	57.914133228407984
2022	71.48315709024912
2023	60.310744250352954