Year	% of GDP
1980	6.85261829844867
1981	6.4732684790693265
1982	5.758825229079115
1983	5.302625874022864
1984	5.246610582501074
1985	5.148006075261956
1986	5.088356168097405
1987	5.796691006444827
1988	6.310712831318772
1989	5.693623904195306
1990	6.1244683967456375
1991	6.4013042597494
1992	6.9914542823555745
1993	7.082891073934325
1994	7.063777758104063
1995	7.265789538355881
1996	7.054562356514314
1997	8.319935638578992
1998	7.966060430766501
1999	8.30782806424568
2000	8.577671161949587
2001	8.955543760808805
2002	9.614772215106978
2003	8.37620054587314
2004	8.963866930393348
2005	8.515991572907167
2006	8.108308542208352
2007	8.345562000957239
2008	8.174127171985274
2009	7.529574180013857
2010	7.3176864017051955
2011	7.148497652734818
2012	7.187539173497602
2013	7.310860263073487
2014	7.6594016398684355
2015	7.608043265221952
2016	7.526519667111165
2017	7.360783267300977
2018	7.464954358220052
2019	7.396673849306659
2020	5.516413359192413
2021	5.80315033296006
2022	6.6780162784011665
2023	6.9611344880941
