Year	% of GDP
1978	9.300014741042276
1979	9.475646204757258
1980	10.44533337539293
1981	10.40622568296187
1982	9.59453439090085
1983	9.064180704863379
1984	8.306264985378188
1985	9.302507729644132
1986	8.827344142989707
1987	9.44098578156965
1988	9.410526963258958
1989	9.362571286292932
1990	8.45017761154486
1991	7.52127202492848
1992	10.821759350343543
1993	10.844303272083765
1994	11.958895146180504
1995	11.524048771338176
1996	12.099395516966709
1997	11.346659537087813
1998	12.253678311089438
1999	12.207892813836601
2000	12.931509969548504
2001	13.1962967901832
2002	13.329087038598583
2003	12.347240250208515
2004	13.448938052157144
2005	13.282483550734856
2006	13.087741511878344
2007	13.227464973266942
2008	13.140335977030254
2009	12.465306672609072
2010	12.5556570775757
2011	13.77043411973893
2012	14.178318621349522
2013	13.232234959588652
2014	13.186937511921382
2015	13.689533415103838
2016	13.167231363726899
2017	12.927680473497606
2018	13.589518234262055
2019	13.715889130142303
2020	11.363164100500514
2021	11.917268733420384
2022	12.470988771805503
