Year	% of GDP
1977	2.838845345058306
1978	-7.837940174176448
1979	7.756522914695147
1980	14.79907156240387
1981	14.995537042546864
1982	13.819962167575389
1983	2.704922959786812
1984	2.0735879354883755
1985	6.332596635244239
1986	7.595693035414204
1987	11.127959251230687
1988	8.010191679196202
1989	9.471071690129383
1990	12.661028882681997
1991	10.864919251191587
1992	3.741765295038714
1993	2.6944559032484006
1994	3.9658931999715596
1995	5.111108438950485
1996	2.849585514834213
1997	3.124275037067664
1998	2.8836594196102
1999	6.198876718279699
2000	10.716136995788096
2001	16.616685783422092
2002	10.3465581637122
2003	12.681609053464394
2004	10.190838325734997
2005	10.820379674947619
2006	22.149663021848173
2007	23.30075162889928
2008	9.859990604783862
2009	6.057316329599774
2010	7.219115983349626
2011	5.43424969709311
2012	9.40640903138073
2013	7.007965269610638
2014	3.355244190807956
2015	7.9307403599462605
2016	6.540408199520733
2017	9.879596726341124
2018	12.17751935722187
2019	7.761230857478404
2020	7.5279598791252385
2021	18.100603601333695
2022	16.154709302595073