Year	% of GDP
1981	15.083786996337276
1982	15.863677641423775
1983	16.481076228241157
1984	17.582509789326153
1985	18.3991971507799
1986	19.41955413453843
1987	20.372387828144916
1988	21.25613247257511
1989	22.42286224950337
1990	19.238526894213
1991	25.259983436616768
1992	20.905855566951644
1993	21.056276161158635
1994	20.697350209831907
1995	20.840702028036624
1996	21.21858494328965
1997	21.235310171950523
1998	21.913893732791838
1999	15.594170797934066
2000	14.309957441326777
2001	14.887051767196551
2002	19.31224839061644
2003	19.306916700662363
2004	16.619974264679758
2005	15.747172756655129
2006	15.089281826800246
2007	14.9172850475451
2008	14.646580683631527
2009	15.918547071885092
2010	14.736164285103726
2011	14.676540112118133
2012	14.118317247963
2013	14.052896292695996
2014	14.174712150488148
2015	18.488868549422982
2016	18.119772222528834
2017	17.33740533746994
2018	16.654716695551528
2019	17.280163232667924
2020	19.37636110278464
2021	18.22557141853022
2022	17.182474497932947
2023	17.13927049128748