Year	% of GDP
1972	11.361577941028479
1973	10.67468440805186
1974	11.272515979081929
1975	9.363191820404534
1976	10.39099076300139
1978	10.846147347076714
1979	14.835964210373174
1980	13.800600476239778
1981	12.651263671590865
1982	10.991363669351912
1983	11.36802377285643
1984	9.981887183025703
1985	10.703868346304244
1986	11.267272942010157
1987	8.478548090485457
1988	9.451302111078979
1989	8.487014365579224
1990	6.896087862773859
1991	5.56082069755707
1992	7.017847104300837
1993	8.555098024909697
1994	7.976808081179912
1995	7.717481484296686
1996	8.082454100456658
1997	10.239089334554246
1998	10.195544608013867
1999	10.745745588903175
2000	10.987585518563812
2001	12.169710884368277
2002	12.4100701063605
2003	10.712092586683854
2004	13.331719847744484
2005	13.595367225072586
2006	13.759777241313664
2007	13.586233752221583
2008	15.396676399359377
2009	15.09453445515397
2010	14.208767040244044
2011	14.01591428600361
2012	15.834920983772749
2013	15.453338757009591
2014	15.641904705074747
2015	15.205497550595645
2016	16.149003737553315
2017	16.01948163771833
2018	15.704552140793023
2019	15.864048169594893
2020	21.39755982434766
2021	17.806125352498466
2022	17.67902337349529