Year	% of GDP
1979	7.500095728773006
1980	7.3648540834672716
1981	6.603569715755499
1982	6.086649897154164
1983	5.7872573745658995
1984	5.72328071884114
1985	5.68928125455667
1986	5.63078135573119
1987	6.133042029824814
1988	6.595671227269376
1989	6.209947836798061
1990	6.6041382417915715
1991	6.936355479822289
1992	7.636212168144409
1993	7.80339116506993
1994	7.757653994144765
1995	7.8087467752767745
1996	7.686248661331345
1997	8.792583405006528
1998	8.354685917262648
1999	8.8574567037066
2000	9.03549937529109
2001	9.386706645983343
2002	10.023499318125292
2003	9.203212627240502
2004	9.974158129484627
2005	9.744413194580467
2006	9.561594208492064
2007	9.705686250688744
2008	9.606949983977922
2009	8.749960372848712
2010	8.570040253714312
2011	8.303065373058834
2012	8.292137154488445
2013	8.298333347926345
2014	8.564477214944821
2015	8.506883509709711
2016	8.390087468469412
2017	8.364022174228054
2018	8.593386865142001
2019	8.560239508008506
2020	6.56191786232848
2021	6.796992537086008
2022	7.933590271892497
2023	7.992012466781267