Year	% of GDP
1989	6.34446301477534
1990	4.99787799375606
1991	4.45622053748629
1992	4.94167906800298
1993	5.93869627234487
1994	10.5593070610076
1995	9.9450353834039
1996	7.62524430464847
1997	15.0509721969835
1998	15.3976515710935
1999	9.27253040218048
2000	9.01989956661152
2001	13.1025742271587
2002	10.3557391805147
2003	9.13542543348373
2004	8.64899433425533
2005	8.05833455818554
2006	6.4177050153192
2007	6.58601814131688
2008	10.5413096410627
2009	20.8440071148493
2010	26.6920060662078