Year	% of GDP
1970	1.3108428926919415
1971	1.3289402957690866
1972	1.9341567799691088
1973	3.378214363874827
1974	1.6343529841415132
1975	3.7555359714839436
1976	1.983182440801444
1977	1.7413939833060423
1978	2.6064924575811355
1979	2.8769447792888188
1980	2.460691941451877
1981	6.642313844403019
1982	3.8303195940003003
1983	3.8255872915067406
1984	3.8426932667134874
1985	-0.7485219223798665
1986	4.597188908950982
1987	12.345854756364725
1988	8.338914607060307
1989	2.967129638181994
1990	4.25727809706461
1991	1.1475495583400988
1992	3.72818030755355
1993	5.757692873807311
1994	5.763814698714413
1995	4.295377745910731
1996	6.549143918655541
1997	6.409892541045943
1998	8.253737583160172
1999	15.295712066380467
2000	41.06494707071685
2001	18.471617629175398
2002	4.056447980536609
2003	11.504968104385725
2004	13.124937279687765
2005	22.560600620028627
2006	23.2008118497037
2007	29.358179802522976
2008	30.570763400765998
2009	25.35681664328359
2010	36.17460836204801
2011	38.684029536737015
2012	28.514434485516794
2013	27.87752021853891
2014	44.550695708812974
2015	58.51837251032528
2016	41.53183645061178
2017	36.83755166168625
2018	26.82552405903013
2019	16.05713258778684
2020	34.04975135483952
2021	37.183819163994826
2022	34.1257844821021