Year	% of GDP
1977	51.1784615384615
1978	50.2894700004489
1979	49.7408375608811
1980	52.6268628075733
1981	56.0128369645587
1982	56.8044129374708
1983	56.9862689284041
1984	60.7212832215627
1985	66.1922673045488
1986	75.9741967525257
1987	78.0370949013971
1988	73.9836236530485
1989	77.1332899211029
1990	86.200461355157
1991	88.3623934536212
1992	86.3728816885016
1993	96.9026344210731
1994	85.882585771154
1995	84.206050702349
1996	89.4555815789448
1997	96.7258194376823
1998	105.193223282686
1999	110.383524583833
2000	111.122970939299
2001	110.044590706126
2002	117.49869856029
2003	125.671432607624
2004	118.6361030068
2005	111.842924826452
2006	109.158387197031
2007	105.787508532942
2008	102.00356622006
2009	124.408008908592
2010	126.579494210428
2011	123.095927186754
2012	128.922639036534
2013	134.319251401012
2014	140.236886965913
2015	152.594499832597
2016	156.229943475554
2017	154.895051691759
2018	157.812078588381
2019	165.390369621906
2020	182.868058982661
2021	177.267430146795
2022	186.207160247529
2023	194.674045460745