Year	% of GDP
1990	31.312690963822998
1991	29.2733383817258
1992	29.27333838265051
1993	31.03639600227523
1994	36.65279338115061
1995	36.455083642191056
1996	34.79249867613676
1997	29.216494845360824
1998	28.402615778806073
1999	22.8311024672997
2000	20.411222136817834
2001	22.813545307625812
2002	18.748268218343032
2003	19.161023947151115
2004	23.067613962275445
2005	22.966010964411204
2006	20.54809107874452
2007	24.282089620101228
2008	27.99632120024757
2009	26.92101616559573
2010	24.93725851300126
2011	26.846365748903807
2012	24.787297880123855
2013	27.61242943691865
2014	24.967195141808094
2015	22.222779257098647
2016	23.14257137180613
2017	21.78793522732605
2018	22.487103401962226
2019	12.322474260976064
2020	8.098177366311939
2021	5.359484343348965
2022	1.225170749328065
2023	0.8508432255394386
