Year	% of GDP
1977	8.77808707089775
1978	9.549959023048034
1979	9.685215169178809
1980	8.877202440665693
1981	9.176656559467206
1982	9.032692323394182
1983	8.473138430134714
1984	8.143993295591605
1985	7.738439960797104
1986	7.096490535944316
1987	7.428924817542335
1988	7.456801464852873
1989	8.322681981145436
1990	8.151818298485585
1991	9.363824765101056
1992	9.210705808925248
1993	8.529029378588474
1994	8.439976558787965
1995	8.997959369644242
1996	9.122170329853917
1997	9.708035134482705
1998	9.032747611829283
1999	8.501653735479502
2000	8.713223204812746
2001	8.449583725893481
2002	9.016550293834335
2003	9.084684806187889
2004	9.94293230653524
2005	10.241634061549664
2006	10.252003735236306
2007	10.465552724487619
2008	10.41829256810631
2009	10.045374246599103
2010	9.673426944526408
2011	9.384608204373087
2012	9.560169853042714
2013	9.780641904685147
2014	10.01939227761425
2015	10.402692770441966
2016	10.174099966492399
2017	10.525096373520554
2018	11.217517921165603
2019	11.365165385038228
2020	9.194264091843541
2021	9.881050888132973
2022	11.575373344030465
2023	11.649839290689581