Year	% of GDP
1977	35.371704628771816
1978	41.0188182114783
1979	36.23222770127876
1980	15.579350888346136
1981	20.045647551774934
1982	16.39125458783724
1983	16.245226111372293
1984	12.816900912473283
1985	9.494989113900461
1986	14.377246821209885
1987	13.131390800146638
1988	11.61205662976255
1989	12.018131967728714
1990	11.876640794633357
1991	12.663912591443516
1992	11.648359123609886
1993	10.603397529932995
1994	12.318521025014038
1995	12.434470760604777
1996	12.564613074032827
1997	13.02733453680677
1998	13.317940552844512
1999	12.56062505803705
2000	12.546884259660304
2001	13.79599887932492
2002	13.999232727561854
2003	13.173370980263
2004	13.551461699414896
2005	13.328760111248528
2006	12.809884986772301
2007	13.329156305167652
2008	14.273133619466302
2009	13.346228376755626
2010	13.28047671485892
2011	13.590535561705419
2012	13.066868049313051
2013	13.146690981275839
2014	14.002669870487223
2015	13.383988195236974
2016	13.711869402231677
2017	14.229565430625119
2018	13.98230868893579
2019	13.464788800491077
2020	14.138759655652573
2021	14.136917109734364
2022	13.874134406963185
2023	13.90000000003748