Year	% of GDP
1977	11.537502802224477
1978	11.364551191442557
1979	25.412669952110882
1980	16.40106805545864
1981	12.936986644537022
1982	15.103974357050681
1983	15.289267631955619
1984	19.492807596783805
1985	18.41128472398132
1986	23.551991760293873
1987	23.46568072372878
1988	24.86002318807026
1989	27.431101583026585
1990	31.463979700658275
1991	30.912093838479205
1992	31.86435850370277
1993	34.18964580944908
1994	33.885767921435686
1995	38.07557912062711
1996	39.725280991421364
1997	45.39220360115881
1998	44.740439512469685
1999	48.17638850125602
2000	56.39478429820267
2001	55.83781419259455
2002	58.798786544099244
2003	66.37833034930678
2004	62.95930519137012
2005	59.1094686045858
2006	63.590180717727726
2007	61.167082405601455
2008	60.36792172959687
2009	56.75999720588841
2010	66.26136858923634
2011	64.08120190369242
2012	58.52688272810891
2013	61.13912388690183
2014	71.03470766165321
2015	65.9397690550797
2016	65.49482474231591
2017	66.32948999525227
2018	50.54795237804019
2019	54.77897925366465
2020	39.224114313203046
2021	37.37612093581627
2022	43.75462134991721
2023	47.480799501340115