Year	% of GDP
1980	56.71582698257861
1981	57.40116988318661
1982	57.507835030429945
1983	57.15950741216629
1984	55.705093495968974
1985	55.11330275451963
1986	55.53936962209941
1987	55.500856496580894
1988	55.77676484084567
1989	56.112799971283856
1990	57.13303670047238
1991	57.67609919050384
1992	59.60321684436807
1993	59.77727916906234
1994	59.00692781839078
1995	58.06417439307143
1996	59.56163100825277
1997	59.665681451729114
1998	59.66440692924212
1999	60.29263049493617
2000	60.57365173529401
2001	60.88497526291762
2002	61.17499815266386
2003	61.64751469456282
2004	61.97144082702458
2005	62.36768978040554
2006	62.05278716378552
2007	61.66203552835034
2008	62.498912009162275
2009	64.37765607046879
2010	62.83014153030252
2011	63.306307430044484
2012	64.16267219080727
2013	65.21037253794533
2014	65.68175158350302
2015	65.30375756665345
2016	65.46762638812729
2017	65.0889041390294
2018	65.22629261691367
2019	65.51512104180533
2020	65.84370307418541
2021	64.83447363538306
2022	63.60839922492498
2023	65.27817361556593