Year	% of GDP
1965	22.546138670789563
1966	24.013547625442907
1967	22.192030916006164
1968	22.886278158327496
1969	24.27397254860387
1970	25.001676305157623
1971	24.360768996575686
1972	24.65691423558883
1973	26.759007747888848
1974	29.258806400354093
1975	27.725390533641313
1976	28.85789789543504
1977	29.068458201930074
1978	27.667818300084402
1979	29.661552111825216
1980	29.47732858335254
1981	26.70138796170286
1982	25.904513971591008
1983	25.538337504963103
1984	26.32876197610748
1985	26.77180336193302
1986	24.502038935772276
1987	26.08300922944684
1988	25.885476379427107
1989	26.66313452569973
1990	25.791647779020977
1991	25.737934903572324
1992	27.027960403464295
1993	25.25101097368233
1994	25.24830345660555
1995	25.082456244912432
1996	25.235476155856908
1997	24.833769723404274
1998	24.491012328550518
1999	25.07207217352375
2000	26.278752940589417
2001	26.32871031641321
2002	27.337625702645045
2003	28.441790411648544
2004	30.438514177500263
2005	31.109676937950365
2006	32.6205855404947
2007	33.3891395319565
2008	34.07337781988723
2009	32.623093627608604
2010	34.30385770903649
2011	34.55240057518699
2012	34.11904585110815
2013	33.62768217775313
2014	33.25176686417698
2015	33.52573469871681
2016	33.11213337667059
2017	33.49136214482828
2018	34.34816029251018
2019	33.55092460465075
2020	33.99614723654088
2021	36.13108227370454
2022	36.088307825593986