Year	% of GDP
1971	-19.166607636183326
1972	-17.90990535480099
1973	-14.71638295441563
1974	-12.008119925046845
1975	-22.10580242245344
1976	-23.254465579912136
1977	-16.428376837623222
1978	-16.017017465293325
1979	-10.615686274509804
1980	-11.25581008721192
1981	-7.184893172972669
1982	2.332947590699228
1983	0.0833497331651014
1984	-1.9955538392493712
1985	2.126747234982158
1986	6.690353623241084
1987	5.595235122243588
1988	7.9349498593940675
1989	8.210232518500632
1990	11.710264950054272
1991	16.78289961068269
1992	16.35526905094739
1993	9.221488408030057
1994	12.845349141598408
1995	11.711635600361486
1996	8.565126778101902
1997	5.311386740322434
1998	15.67011300437818
1999	16.601372728687263
2000	18.513074172876642
2001	25.649343143317864
2002	25.393481189832944
2003	28.633361576107152
2004	20.147079180849783
2005	21.019008065294177
2006	20.038117073806696
2007	16.47041946844196
2008	20.31764440785012
2009	20.91142245314653
2010	21.19010421695993
2011	19.547053014547835
2012	11.593977441003183
2013	16.847730600292827
2014	19.257792901221915
2015	25.509235747348256
2016	27.24228387518486
2017	24.315799140610274
2018	13.906660287782755
2019	13.586311335687325
2020	17.186119775935243
2021	12.082411727895094
2022	6.660814037856001
2023	6.123714295649873