Year	Percent of GDP
1980	43.951
1981	47.663
1982	60.348
1983	62.576
1984	57.814
1985	47.726
1986	47.171
1987	51.887
1988	53.677
1989	50.54
1990	31.877
1991	30.2
1992	34.577
1993	37.691
1994	23.176
1995	21.455
1996	27.841
1997	18.595
1998	20
1999	20
2000	15.058
2001	15.879
2002	16.225
2003	16.703
2004	17.32
2005	16.208
2006	15.308
2007	13.195
2008	11.219
2009	14.165
2010	15.086
2011	14.723
2012	14.291
2013	15.355
2014	15.855
2015	11
2016	9
2017	7
2018	6
2019	5
2020	5
2021	5
2022	5
2023	5
2024	5