Year	Percent of GDP
1990	24.34
1991	27.698
1992	26.903
1993	24.443
1994	24.261
1995	25.949
1996	24.868
1997	27.192
1998	26.016
1999	26.554
2000	26.006
2001	30.294
2002	26.451
2003	29.936
2004	27.147
2005	23.768
2006	25.214
2007	22.717
2008	20.065
2009	23.85
2010	20.848