Year	% of GDP
1976	-2.8336255943905724
1977	-11.6358248591999
1978	-23.300684313513344
1979	-38.043611076021975
1980	-33.75614311056114
1981	-28.515109943308126
1982	-34.02346878784698
1983	-25.575279179501507
1984	-16.868326381336722
1985	-13.893613267828641
1986	-18.575827826476353
1987	-11.518045835090865
1988	-11.414657802177258
1989	-3.377096422151621
1990	-20.391141264826988
1991	-12.920032709398471
1992	-4.744047464834678
1993	-7.20253615389665
1994	-2.9305701892197225
1995	-4.886558795360903
1996	-4.569884568554188
1997	-8.725244295732434
1998	-7.651059311829597
1999	-3.321470945868411
2000	-2.3595698760412436
2001	-2.3463599474225867
2002	1.4102455201848174
2003	-0.18239591600912908
2004	1.0434016828298291
2005	4.853790338803206
2006	5.474106878108147
2007	6.841285596085048
2008	3.913774605270011
2009	2.6716653064861866
2010	3.1774947584785456
2011	-2.602854172068768
2012	-2.101590019675502
2013	-0.6447397083491356
2014	-3.7867333519620066
2015	-5.216017222307466
2016	-3.0317495863284307
2017	-7.443699786421562
2018	-3.774151333156813
2019	0.09021565786726712