Year	% of GDP
1975	23.349331181573515
1976	23.538249536266573
1977	23.171362360611507
1978	23.56009717651754
1979	23.382129306545313
1980	22.3714336540121
1981	20.5930274339935
1982	20.240816578403123
1983	20.517732889711546
1984	21.205346947840592
1985	21.34423917868805
1986	22.292002276825198
1987	21.966236535852257
1988	22.957976140297784
1989	23.294130779790606
1990	23.34379936941937
1991	22.53478412980399
1992	21.69068980615083
1993	21.162256796879443
1994	21.58221590056367
1995	22.572519683131436
1996	22.27753008192987
1997	22.822323360011463
1998	23.119735195926506
1999	22.864091497379604
2000	22.826642152230235
2001	22.78335626261644
2002	22.536202547662384
2003	22.149335410636475
2004	22.898450609818717
2005	22.957959273039542
2006	23.937421290908997
2007	24.641455468991538
2008	23.554747765678826
2009	21.315204203753048
2010	21.939048303891788
2011	22.68332682470672
2012	22.314398139570162
2013	22.599040466718318
2014	23.218664822667698
2015	23.8864442912801
2016	24.251544254665674
2017	24.78044338771471
2018	25.228882317262514
2019	25.61318702163305
2020	24.63344680389923
2021	26.642538651430744
2022	25.415005764820418
2023	25.6522789292628