Year	% of GDP
1990	6.55118344395031
1991	7.01121885858333
1992	7.27704319121711
1993	7.063920416457579
1994	8.3987590412286
1995	6.350578483054579
1996	5.28134594096812
1997	5.80575259672107
1998	6.08156870413826
1999	5.17272243639362
2000	4.9153923650994304
2001	5.4810146916463
2002	6.895607950343099
2003	6.85455205201499
2004	5.3013664964560006
2005	4.8683170115889
2006	4.30846683494059
2007	4.85072348722524
2008	4.44582949823727
2009	5.65364849717961
2010	4.68555703404199
2011	4.92646170259402
2012	4.57388427656059
2013	4.07952740426758
2014	3.9668910882450303