Year	% of GDP
1975	8.933331956283947
1976	9.243268295707292
1977	9.869430485392062
1978	10.098141138510188
1979	10.093898937160425
1980	10.998832276742679
1981	12.437222573372786
1982	11.192569190099873
1983	11.058107941569292
1984	11.468521707309046
1985	11.388313410814613
1986	10.149599983706931
1987	9.937514940685798
1988	9.752251352998881
1989	10.486625683207228
1990	11.035782132201534
1991	11.464301666069705
1992	11.849389421820797
1993	11.84488261144499
1994	10.431023404932997
1995	10.410050564560127
1996	10.349851042614576
1997	10.691072952385952
1998	10.97563771832792
1999	13.224564920016388
2000	13.273159712994353
2001	13.613760268365485
2002	13.84142364043235
2003	12.781944005784961
2004	12.66775719439607
2005	13.086297666783636
2006	13.437962089605893
2007	13.763319524217286
2008	14.307208804062371
2009	13.71617454033258
2010	14.49084974450742
2011	15.35597584196874
2012	16.277485007794603
2013	17.15594121289172
2014	18.40532457053886
2015	20.044863585442595
2016	20.053731720392058
2017	20.112069159408378
2018	20.646111274947682
2019	20.61903279236014
2020	17.869004556852914
2021	19.122552766899098
2022	22.748423063204935
2023	22.446336377843412