Year	% of GDP
1980	5.612753528334932
1981	12.450543730727137
1982	9.432133261943132
1983	9.062354426071074
1984	15.02726927882971
1985	15.293140844665206
1986	10.025584205363621
1987	11.421065096913072
1988	11.649347352348551
1989	13.130236007399418
1990	10.2068906634336
1991	9.489899107939516
1992	10.658649010022717
1993	12.352032938890705
1994	13.809344670911393
1995	9.637520356750917
2003	4.4252977719675775
2004	6.840510104410821
2005	8.559628634369515
2006	10.458374884281021
2007	12.792614498067966
2008	11.807050580173616
2009	13.873346427893441
2010	13.843109445776555
2011	10.800973105396592
2012	12.030997033069564
2014	9.819688788168088
2015	13.476640381956031
2016	8.212049944685608
2017	11.37715079114015
2018	12.208017066300494
2019	10.353979282555805
2020	9.941945187464416
2021	14.748760727139851
2022	15.445073409489126