Year	% of GDP
1989	25.692972696227795
1990	24.44763752766273
1991	20.836339140039602
1992	18.342148684487043
1993	20.33184800913786
1994	21.877939344479945
1995	20.636648721364402
1996	20.90008760331955
1997	21.81416583252617
1998	21.628200705438186
1999	20.630597348838428
2000	21.195907959463682
2001	20.747578198498353
2002	21.779979953355735
2003	21.082940551502617
2004	21.521083947643145
2005	20.98001199723662
2006	21.65708047885132
2007	21.360623464153804
2008	21.893339705951654
2009	23.996967996184697
2010	21.784200579349942
2011	23.23996989721549
2012	24.288352752714278
2013	23.893559871141214
2014	23.57955584817584
2015	22.65198716342937
2016	20.705244881028925
2017	21.796346002112372
2018	21.704589005439455
2019	22.34172669453839
2020	23.695550319764497
2021	25.77128493091765
2022	25.411376378449717
2023	24.813659627649002