Year	% of GDP
1974	2.583703106091166
1975	2.2848278001861617
1976	2.132167152575316
1977	2.080658903720534
1978	1.178835577470131
1979	1.1616212519347757
1980	1.8598248766871872
1981	2.4332616124541198
1982	4.581374735517813
1983	5.023982798544492
1984	5.745616048717168
1985	6.11877868211341
1986	5.735732496884865
1994	9.793400119503065
1995	10.631888401398824
1996	11.23697201476006
1997	13.999216231095204
1998	12.590543664473397
1999	11.512373276001101
2000	12.178626943168329
2001	13.428904786166322
2002	12.159109614257288
2003	11.60717123516984
2004	11.900441476465103
2005	11.415406594084825
2006	10.650795227497177
2007	10.927286021369882
2008	11.131358281640992
2009	11.87295791646586
2010	10.937604308314947
2011	10.858797409147753
2012	11.589281128372969
2013	12.262266641737293
2014	12.7759529964347
2015	13.043648372247718
2016	12.850936043471654
2017	14.028654947830125
2018	15.839161406421036
2019	16.437697158070154
2020	11.887008455588273
2021	13.68186687923161
2022	17.207098017037225
2023	16.53989477942596