Year	% of GDP
1974	1.3363028752791302
1975	2.767355504590542
1976	3.5864968538800572
1977	3.971254617920822
1978	4.1863595881161215
1979	4.093408229360046
1980	6.515257537678605
1981	6.996476731757236
1982	6.921364812969359
1983	9.552286962457572
1984	10.651127124660416
1985	13.205464375355607
1986	12.24788231165678
1987	13.503739885163313
1988	13.69732658210365
1989	15.75117265358098
1990	10.121109513800043
1991	9.39715716014895
1992	8.615905612143406
1993	6.096242902645412
1994	5.430063596050175
1995	4.839575597684739
1996	4.7041780949861955
1997	4.878584571267602
1998	4.969544220188306
1999	4.52292517904252
2000	3.2677219242664926
2001	3.4176901175349226
2002	3.081292039175946
2003	2.9680260762265114
2004	2.9889929928783396
2005	3.0024698559950522
2006	2.9062739996618627
2007	2.7417621996227317
2008	2.7211618619139526
2009	2.6102399277776094
2010	1.232106741100772
2011	1.3174307863962549
2012	1.8120279737516434
2013	1.6339216429434353
2014	2.166510399592681
2015	2.357017273507034
2016	2.5791548472678696
2017	3.279954643171084
2018	2.6944108208391806
2019	2.6406012099248097
2020	2.824929532860818
2021	2.724644709008514
2022	2.6400468313492373
2023	2.619221401250175