Year	% of GDP
1990	22.927864646410182
1991	21.937383454369773
1992	22.963028360303387
1993	23.30365021238088
1994	25.39092109404928
1995	24.455736970808537
1996	23.822794906524777
1997	24.396531560407205
1998	48.01934433852647
1999	48.75503389626727
2000	49.099007936056275
2001	49.11634802664868
2002	47.625433910248645
2003	46.00854548701656
2004	45.09599309326015
2005	45.078966625743966
2006	45.552144349912865
2007	45.53642941391606
2008	43.7191784966665
2009	44.55147429465674
2010	43.31622824857832
2011	41.405037584507774
2012	40.61147664819774
2013	40.265550738431784
2014	41.295695490576904
2015	40.4311664337765
2016	39.44858852159385
2017	37.961527710078
2018	37.242798872765334
2019	36.832504385879986
2020	34.237472975826414
2021	32.55197160585245
2022	30.524981675591228
2023	28.921339917423893