Year	% of GDP
1980	64.47990587171381
1981	66.87538780903614
1982	71.6106004136948
1983	70.6659359832695
1984	70.53946093084103
1985	69.0265933401557
1986	68.54923800315214
1987	63.64949307592267
1988	62.99990683024498
1989	63.031362326546194
1990	55.54375921901893
1991	56.280615960341486
1992	55.82422367242916
1993	67.33563363659223
1994	56.58185795025305
1995	58.025301976596424
1996	58.62071139652818
1997	62.11199528244528
1998	62.674846633095825
1999	62.97958802924513
2000	65.3810265158254
2001	69.42016260444447
2002	70.59501514873038
2003	71.33030544740981
2004	71.9184489648669
2005	71.78773482778425
2006	72.58900973872612
2007	67.31746102872698
2008	66.48254237829686
2009	66.71035253317903
2010	67.43900995315238
2011	67.25157076976868
2012	68.66784870035771
2013	68.04127855316919
2014	67.54988614110096
2015	67.15249288638255
2016	69.28483749437201
2017	69.60710079188028
2018	67.42906129209011
2019	69.82573873739962
2020	65.98341648499061
2021	68.53967661666441
2022	69.45666176094505
2023	70.57354726979042