Year	% of GDP
1981	41.984243007791044
1982	43.10682442956967
1983	40.77042654731952
1984	40.00418846252742
1985	37.301623436346546
1986	43.1481729814889
1987	42.830480595788615
1988	41.81662029856961
1989	42.01940944751308
1990	30.786452207834486
1991	39.69725014394883
1992	38.481923279355556
1993	39.8807249289027
1994	42.08938747164816
1995	38.56461920556084
1996	36.5956426706218
1997	36.17585802457142
1998	40.74774506633541
1999	35.729889401343094
2000	35.36340682658049
2001	37.51649225452473
2002	36.57764087091981
2003	37.93403260109035
2004	39.866254036180834
2005	39.39008313623914
2006	41.50845998735211
2007	41.2773271465221
2008	40.75899491655165
2009	45.70636971520842
2010	44.71744672316922
2011	42.911828299069946
2012	44.197890699525566
2013	46.13770753343075
2014	47.53289160453022
2015	51.7640568932835
2016	52.06689550100757
2017	49.56426579935905
2018	47.50017000093998
2019	46.61225251834391
2020	46.94877362218838
2021	43.01441155353166
2022	40.52084699302625
2023	40.43822071067263