Year	% of GDP
1960	22.619393557002187
1961	24.27107831406231
1962	24.813740656496545
1963	26.868882271328353
1964	24.674106809682556
1965	22.644859660367718
1966	22.419930716239996
1967	22.094210489444027
1968	23.822619820807862
1969	24.3667444316655
1970	24.634832831177075
1971	25.174111208193118
1972	25.086212753970777
1973	24.221805692620784
1974	25.426392387630624
1975	25.584922549826434
1976	26.688897802085997
1977	25.831807203636153
1978	27.259947067972774
1979	28.35349386094621
1980	29.94925716914291
1981	30.184309482099476
1982	32.25920381119727
1983	31.962059413405363
1984	34.27124671763331
1985	32.471702919844056
1986	30.676370545482712
1987	29.88182258893424
1988	29.978592167724997
1989	29.260895728590512
1990	22.828129878175492
1991	21.839067113426005
1992	23.308596433967363
1993	26.049736477271356
1994	23.721233700880624
1995	14.542279150263754
1996	13.06719124220534
1997	13.01862537750942
1998	12.155137199066361
1999	12.308533327888819
2000	13.134659591384676
2001	13.089537935796674
2002	12.356962665917374
2003	14.450764563413909
2004	15.099530156695145
2005	14.738281140351756
2006	14.108945866935144
2007	14.154264804688102
2008	13.955176899626522
2009	13.059462148107823
2010	12.721859610015526
2011	11.783797668942062
2012	10.675942306573951
2013	10.479612290375588
2014	10.337097396362282
2015	10.520937456584099
2016	10.786451115653863
2017	10.7214980094842
2018	10.52845737685749
2019	10.332500532200607
2020	10.692931569175082
2021	11.904373010323182
2022	13.074081628227313
2023	13.331877991347696