Year	% of GDP
1990	1.8564609614728949
1991	2.4821146676518993
1992	2.510057053703902
1993	2.917965568567978
1994	2.2787446827199376
2000	8.281755521170348
2001	7.444830652332067
2002	4.385832414978307
2003	6.336773501238777
2004	5.4816129998611745
2005	6.284968019222309
2006	5.754413938571888
2007	7.014851456420232
2008	5.491679408559028
2009	5.001167738017984
2010	3.6810415497445943
2011	2.3327300715408983
2012	2.188745675400376
2013	4.972588624260229
2014	4.4215809312638585