Year	% of GDP
1990	20.79496444807087
1991	24.11180180588956
1992	22.998076029987395
1993	23.956617654398627
1994	22.744770734949142
1995	18.285023519827607
1996	15.228711680146123
1997	14.48778632240658
1998	10.575096533964553
1999	10.999267138793755
2000	14.326024351731292
2001	15.039347004976515
2002	16.488509011863677
2003	15.441262291733535
2004	15.077958365806621
2005	12.640577225487245
2006	15.325796921834527
2007	17.253520216889665
2008	20.22904793431173
2009	20.77062783107149
2010	20.51725934385679
2011	22.069222022423922
2012	21.543673454014343
2013	24.365594268170714
2014	24.554416929644997
2015	24.69949909030128
2016	22.680957362450812
2017	21.447554583342775
2018	19.96276348494242
2019	20.186077274691947
2020	20.22812565471529
2021	20.642629345571713
2022	20.37816658191478
2023	20.872792580875664