Year	% of GDP
1990	2.211599803988646
1991	0.49464618249534453
1992	1.1856294415502926
1993	1.148468935415672
1994	1.757325879927658
1995	1.3464854150294983
1996	1.9568558136607523
1997	1.0177218720852184
1998	0.519585137448394
1999	-0.5981819384328222
2000	-2.030346477131422
2001	2.072990953304942
2002	-0.7382709445248199
2003	0.7511336265873599
2004	-1.1406207757766134
2005	-2.242841107210241
2006	-3.6797199068104436
2007	-2.596436342488143
2008	-1.506697640085973
2009	-1.2599442372846694
2010	-1.0960184096015386
2011	-1.722432809031222
2012	-2.229776453982865