Year	% of GDP
1962	12.51817010536212
1963	13.308786971249734
1964	13.090171610504024
1965	13.37844662211592
1966	12.60880222025466
1967	13.363650533749437
1968	14.265432729805314
1969	15.093652016122315
1970	15.741005515898765
1971	15.90768282614777
1972	16.3916557686127
1973	17.35003838841518
1974	16.98423850587795
1975	19.20809110811538
1976	20.34551741018142
1977	22.034631764648555
1978	21.617895416151967
1979	22.715047994735663
1980	24.881951312516314
1981	14.650279071523077
1982	15.00026068000067
1983	15.95039837516643
1984	16.913051103223676
1985	16.653009798786613
1986	17.91075769185584
1987	17.91402146472855
1988	17.579989372543437
1989	17.43959654516617
1991	17.11823058594745
1992	17.822501535342596
1993	18.08214397365622
1994	16.28534051970452
1995	13.917506344174964
1996	12.382885649426655
1997	12.62596758287608
1998	13.205072205356661
1999	15.901197365926565
2000	15.363266699009477
2001	16.366379189208164
2002	15.7939788539697
2003	15.782451971214263
2004	16.180184511215355
2005	15.344983292567235
2006	16.1859291223479
2007	20.110486912724298
2008	22.866182463074274
2009	26.53069512738825
2010	25.458351758039612
2011	25.684060846239856
2012	26.260919141497535
2013	26.93214280843889
2014	26.838841518972647
2015	28.194899498507677
2016	30.215116803882903
2017	28.76988718116285
2018	28.290073745429307
2019	29.144311605114982
2020	33.690143129364266
2021	32.059394811754885
2022	29.0014417955063