Year	% of GDP
1960	30.9850267206295
1961	21.1054062972231
1962	16.930273695767966
1963	20.237327701358602
1964	21.728191974466675
1965	23.700301158228847
1966	25.303535053472338
1967	22.30856660908776
1968	22.771235622589387
1969	23.121494699742712
1970	27.973603180452017
1971	28.015264404378893
1972	27.19318710708121
1973	28.0326491356667
1974	27.851010176464463
1975	29.951786100892107
1976	29.616867616716032
1977	30.280349955453943
1978	28.959185323276703
1979	26.437958552648926
1980	28.81908021389259
1981	28.684584740908527
1982	26.03095590299635
1983	26.28221680080896
1984	25.67356486173027
1985	26.015225307175243
1986	25.187009200471433
1987	24.57110408484176
1988	26.13726235076616
1989	25.778559666924867
1990	26.84561909149864
1991	25.06789324200126
1992	25.882284948106644
1993	27.14175288112692
1994	27.340778511640263
1995	26.31129054546335
1996	26.374126132178237
1997	25.442273822775945
1998	24.698031983397385
1999	24.053647881130033
2000	24.5573498104505
2001	25.08947059144338
2002	25.866760631284947
2003	27.659496600852258
2004	29.128058625194775
2005	28.484327304110717
2006	28.993129765561527
2007	29.951743249922096
2008	31.81643109120132
2009	32.61892745132388
2010	33.85409485494638
2011	34.45461136013706
2012	34.73900657401746
2013	35.35298588781689
2014	35.43392491799059
2015	34.72265970427077
2016	34.176229498908135
2017	34.36049630687793
2018	35.48820532498755
2019	35.02565752604821
2020	35.88536376904273
2021	36.51526277935712
2022	35.93940714914806