Year	% of GDP
1960	10.510601848517078
1961	10.417650516984136
1962	9.811757508681167
1963	10.208009948112498
1964	10.05242527745301
1965	9.778404681468276
1966	10.079846857788928
1967	10.10501972338071
1968	10.049130493266953
1969	9.656575456262651
1970	10.19057423710957
1971	10.562049613689027
1972	10.378381580115416
1973	11.446633321557036
1974	14.408090370738314
1975	15.663743860342747
1976	15.120357373602234
1977	15.554578399923397
1978	15.92079860625769
1979	16.156446490671833
1980	18.196055088497246
1981	17.80566498731096
1982	17.072652786980708
1983	16.42951726392934
1984	15.828279850064503
1985	15.565885330516362
1986	14.86902703448553
1987	15.50221562951457
1988	17.383369689374778
1989	18.384690751288744
1990	18.158882067905317
1991	19.215212094948196
1992	20.350713848225695
1993	20.893017575095616
1994	21.021927632855874
1995	21.77065476998281
1996	21.406006132902515
1997	21.664894117917985
1998	20.67599556859571
1999	22.00639873593815
2000	23.859736884802015
2001	23.75036631838382
2002	24.777807456876396
2003	26.229479613652508
2004	28.65685542240353
2005	28.706998254939585
2006	28.64180041241977
2007	28.293453398330097
2008	29.07886589078829
2009	24.856591169349226
2010	25.99509979546134
2011	27.063815357041094
2012	26.883458437932617
2013	26.29815127953937
2014	25.45882957110921
2015	23.359294351066566
2016	22.394620878662757
2017	23.197926809838144
2018	24.41599135092748
2019	23.28524244698554
2020	21.393312323514685
2021	23.63175889668342
2022	25.377670366504233
2023	24.11797785414098