Year	% of GDP
1992	-33.5299766771848
1993	-40.94661979890461
1994	-54.84245236932096
1995	-60.546589895385615
1996	-58.149979585355894
1997	-56.18513108326286
1998	-65.25859849587017
1999	-77.19042108074423
2000	-48.54012073949725
2001	-50.44863023901471
2002	-53.027801976883424
2003	-61.123168623059364
2004	-54.020108884249595
2005	-48.774604381668944
2006	-31.46182726943984
2007	-23.01585436510515
2008	-21.703436750974397
2009	-18.914893896593092
2010	-24.71471226083114
2011	-11.084115605334274