Year	% of GDP
1980	38.326985868055644
1981	46.87848847771034
1982	50.41756468694276
1983	52.73478189393581
1984	54.51919336548089
1985	49.505886883413226
1986	50.22531717471399
1987	54.222097621462694
1988	50.44836209453247
1989	49.93016256429576
1990	53.77713762419517
1991	56.24254883517759
1992	58.892310052917765
1993	60.65753120823655
1994	56.35389698577313
1995	58.71269540991256
1996	60.11078617138712
1997	60.28659885823466
1998	59.21883054391045
1999	59.502359373486144
2000	56.90228678680214
2001	56.16724410583779
2002	54.258946465470714
2003	59.01445861993664
2004	57.77621039158339
2005	56.489272532683984
2006	52.59721858800069
2007	49.664296493572934
2008	48.36220029131743
2009	52.61025865714577
2010	53.9557685578527
2011	54.16116240545905
2012	53.92279235435269
2013	57.73866385113099
2014	57.70234632816029
2015	57.94293265399436
2016	57.74709850155276
2017	58.61832901839126
2018	57.84543803088857
2019	58.430453486120705
2020	58.77462055693563
2021	57.826451648930984
2022	55.470982264665516
2023	53.403697523315465