Year	% of GDP
1981	46.74666712077125
1982	48.973262325417785
1983	47.57598586949056
1984	46.511148939848404
1985	44.97775271210297
1986	44.730707809349425
1987	43.30812876822358
1988	42.012189568568964
1989	41.5690784022673
1990	41.88569245922887
1991	40.859285298778644
1992	41.18791712354166
1993	43.478456290267516
1994	42.72012854969899
1995	40.55204535647911
1996	39.25615604442845
1997	39.69274711387101
1998	43.73658075834396
1999	42.9449633761292
2000	47.90603530045991
2001	49.670575399868895
2002	47.543760392087265
2003	47.5753367908894
2004	48.37984320413288
2005	48.63675275648458
2006	49.85533121691392
2007	51.16902974086638
2008	50.65660378988732
2009	51.56159051358533
2010	50.63999776785993
2011	49.533816719082445
2012	49.956697727393454
2013	51.3390895015066
2014	52.09177950403385
2015	54.13950077683643
2016	54.68766069792203
2017	53.175789623555005
2018	51.56169009712352
2019	50.64030664104089
2020	49.29034391963878
2021	47.867089521668824
2022	47.50479638743578
2023	46.35470462792084