Year	% of GDP
1977	6.441757799327763
1978	11.972268615746483
1979	12.283581249207254
1980	12.441215615936525
1981	9.852047297856624
1982	8.819843121945139
1983	11.838238029706767
1984	11.664926876648735
1985	8.223883057534852
1986	6.074981126344671
1987	8.909234225407767
1988	10.776323814306817
1989	8.284107597288312
1990	9.966515135699373
1991	10.843098666666666
1992	14.583338030194106
1993	12.160082474226805
1994	7.075419428571427
1995	5.36243431372549
1996	4.594134263295553
1997	4.713362166227905
1998	3.9727070285316626
1999	3.5666132314694408
2000	2.856612172890326
2001	3.0112333426261495
2002	3.397808128793877
2003	3.68782754491018
2004	4.240410467751906
2005	5.599623584029712
2006	4.961085478387567
2007	5.869309613319012
2008	5.339698492462311
2009	3.7799170984455954
2010	5.68677117520305
2011	6.0698842535190725
2012	6.891885113751717
2013	6.182729251773813
2014	6.404022910798121
2015	5.563831089651786
2016	5.592077950837824
2017	9.960188407779206
2018	9.716985748574858
2019	8.403884631879913
2020	7.712747245067127
2021	7.4144321712115975
2022	5.942933503347147
2023	6.112252139502728