Year	% of GDP
1989	21.689643224745755
1990	18.29194225341629
1991	17.479801209965736
1992	18.647607375191395
1993	19.88786872734874
1994	20.913932250604795
1995	19.216213123397004
1996	18.81276653928174
1997	20.012454374175807
1998	20.389146876383066
1999	19.067973071160573
2000	19.1783300395703
2001	18.680996791965228
2002	18.581494680953586
2003	18.31884163217531
2004	18.845605582512974
2005	19.092753717608126
2006	19.715375215070292
2007	20.655231996696546
2008	21.419033270648345
2009	20.599974635079608
2010	20.79276575563051
2011	21.126023359115965
2012	21.394177366567195
2013	21.34958510567888
2014	20.852592359190268
2015	20.29339271837062
2016	19.044011531939542
2017	18.441986513608988
2018	18.937217755442056
2019	18.760655265988127
2020	18.234147821435474
2021	19.851644804805783
2022	20.25121410259773
2023	20.301346334770614
