Year	% of GDP
1990	30.932215333774842
1991	27.961605864605175
1992	32.61060029058614
1993	31.254139385654554
1994	27.715075292113916
1995	26.074818370482127
1996	33.03255674457789
1997	35.07830415064767
1998	36.85565487381183
1999	30.712403562525097
2000	26.109928638854786
2001	28.905660928590997
2002	27.623102372118563
2003	24.352278805302802
2004	23.838295899281878
2005	26.20114692360984
2006	25.57760205672586
2007	25.42735065738753
2008	24.750673321773522
2009	20.80131841977908
2010	21.017270616088744
2011	23.17533598475666
2012	20.368513697293647
2013	20.464151478385297
2014	20.47748212011642
2015	23.67646660921053
2016	21.031508728145948
2017	21.10474307173022
2018	20.90392898476994
2019	21.489423024319862
2020	19.492391665260474
2021	19.219528220323046
2022	20.3691098317817
2023	21.965077010094916