Year	% of GDP
1980	23.919048561350074
1981	23.046923679955487
1982	18.241507671152988
1983	17.082707965681625
1984	13.19597802089119
1985	9.915910938027322
1986	8.135859462870773
1987	12.82510784875554
1988	15.019855900280806
1989	14.825085715964548
1990	27.05753652256294
1991	15.421486647958544
1992	18.450960024829254
1993	15.288766202007235
1994	19.06764532556668
1995	19.348005044791105
1996	20.475977896967258
1997	17.71963207130324
1998	22.349702659318012
1999	20.51071826127437
2000	17.041465969803557
2001	22.252542451600863
2002	18.588448677250142
2003	19.388282439972393
2004	19.060461457245317
2005	19.66981339352798
2006	22.21202147065659
2007	24.06133371289921
2008	27.473923463622718
2009	26.115925166495447
2010	23.779998959342628
2011	22.054008868897142
2012	26.7226689596707
2013	29.39541916152254
2014	34.77655215166735
2015	30.556440100100744
2016	22.029943586391827
2017	17.766495672838232
2018	14.916347979738042
2019	15.32911345225936
2020	13.92920267746349
2021	17.512656471800366
2022	19.99088861251116
2023	27.75354891311205