Year	% of GDP
1975	25.453595340747214
1976	22.91435445323815
1977	22.694312991678874
1978	24.125327081861624
1979	24.477574713691215
1980	25.859710992768147
1981	19.794627814877728
1982	18.489313497027375
1983	18.161786091648437
1984	20.013954450803954
1985	18.538387057876736
1986	22.03690090230279
1987	22.651067331075755
1988	23.319201704652233
1989	23.568221671955712
1990	21.640820140106694
1991	20.98074265578931
1992	22.58671647105419
1993	21.75883586279774
1994	23.10885220152614
1995	22.026985669733197
1996	20.58878783320392
1997	20.247629030593078
1998	20.05989901076541
1999	26.740552974607912
2000	26.403833184237087
2001	26.587008899422017
2002	26.414121089803388
2003	25.90776064392545
2004	26.179589903767113
2005	26.432180636468928
2006	26.128699630065743
2007	28.16887802294173
2008	30.254166572764703
2009	28.176169590029854
2010	27.10586034994774
2011	28.352837747769016
2012	28.603938436960636
2013	27.97343510555312
2014	26.51478962751287
2015	25.853704433251306
2016	25.095984632004946
2017	25.2938017067872
2018	25.62923018119167
2019	23.877861746501498
2020	22.276441159221445
2021	24.417418949574223
2022	27.38204601441046
2023	27.39741451207008