Year	% of GDP
1981	10.987691436266706
1982	10.821128150531708
1983	11.39694414449037
1984	12.45159387563188
1985	11.49401552671278
1986	11.778416599815394
1987	11.857012551682976
1988	12.853539776130443
1989	14.22411071345222
1990	14.86034052977352
1991	16.48103059611783
1992	17.313295833593855
1993	17.915683819799135
1994	17.954266240444536
1995	18.240744098472888
1996	17.64710672967149
1997	18.1037498622404
1998	17.40729405246819
1999	20.20181648233439
2000	21.05577101803974
2001	20.973471009681024
2002	21.46881780216564
2003	21.996277119582967
2004	24.120035068895103
2005	25.737750909245023
2006	26.612058262613115
2007	26.455800532749585
2008	28.582415126364346
2009	24.619797104845027
2010	25.548319582922474
2011	27.241672880505803
2012	26.507326312381963
2013	26.29616051181758
2014	24.753001635712575
2015	22.64637970486831
2016	22.088792229289652
2017	23.39909760167302
2018	24.760813155644797
2019	24.099144018619022
2020	22.819063623559295
2021	25.146362041510393
2022	27.654983383392427
2023	27.47040376817672
