Year	% of GDP
1990	16.486036093835526
1991	16.08639450218067
1992	15.87087061308895
1993	15.510670958297892
1994	16.224740605156228
1995	15.337884239503666
1996	15.135391151360505
1997	14.948526596776816
1998	14.390671616753515
1999	13.791735042866126
2000	13.276650871404277
2001	12.476453471885947
2002	12.11543352198476
2003	11.562351490144906
2004	10.949791968620264
2005	10.514252378375248
2006	10.075894779890193
2007	9.671981183928652
2008	9.590926204819276
2009	9.071979504158698
2010	9.445321354036826
2011	9.329359613614901
2012	9.346361559535863
2013	9.593675846726182
2014	9.410667517130072
2015	9.294784995807355
2016	9.109856425216341
2017	9.054243926238017
2018	8.952406351519118
2019	8.796864347485878
2020	8.964552380662722
2021	8.653115763509057
2022	8.371412233372878
2023	8.504807631477687