Year	% of GDP
1976	17.352621422302978
1977	16.386620452989963
1978	18.07848014012722
1979	19.145345511057712
1980	16.04651655640243
1981	16.742069870586672
1982	20.24245638655267
1983	22.53113484916622
1984	22.971320093796376
1985	25.374889898890817
1986	20.723763975457295
1987	19.05324879658471
1988	17.47607082054672
1989	17.83495132290965
1990	17.24994895020087
1991	17.06821427746423
1992	16.661141019914254
1993	19.17639805246739
1994	18.725704841332416
1995	18.455858958326736
1996	19.975085034421657
1997	21.234932336492903
1998	22.232332641195367
1999	21.741608296031835
2000	24.07551186894198
2001	26.438813506348975
2002	24.61465378869992
2003	25.67077041984087
2004	25.368210911399707
2005	27.509147729773193
2006	26.49582613989574
2007	27.2282174175142
2008	28.777784563394558
2009	35.350463492433924
2010	37.819985190351666
2011	39.73350965024137
2012	42.28263221459789
2013	42.33167054578179
2014	41.505259044431924
2015	40.97815100750474
2016	41.351523980349356
2017	40.649328892136324
2018	39.62537000348291
2019	36.05423910703286
2020	21.755793475072853
2021	24.83269554353544
2022	33.91982948815534
2023	36.01046846928136