Year	% of GDP
1977	-16.9763892562315
1978	-21.8214999177134
1979	-21.6955340607494
1980	-23.5489818054251
1981	-28.873866310123
1982	-19.3633171429374
1983	-5.47251032990588
1984	-9.15059955997484
1985	-7.11748462015279
1986	-6.04559886551689
1987	-8.35818306799585
1988	-5.51253050601717
1989	-14.8720324119919
1990	-7.72698384571795
1991	-8.77439539374608
1992	-6.05518939314125
1993	-4.12672261192458
1994	-4.59465831521769
1995	-0.560139253223644
1996	-4.94773440528121
1997	-8.34358775197889
1998	-5.11555495417593
1999	-7.6572491169756
2000	-8.50629850963986
2001	-9.47297039440431
2002	-10.0281241082259
2003	-12.509283742665
2004	-11.4039237663376
2005	-6.88328018760028
2006	-23.4871740129986
2007	-22.6866387826831
2008	-22.0886008525436
2009	-8.13355010056297
2010	-12.7612286503533
2011	-16.8512697728733
2012	-10.2813446231762
2013	-8.66879410164917
2014	-5.0613555490615
2015	-4.5692366998004
2016	-7.44362866301175