Year	Percent of GDP
1980	22.563
1981	22.563
1982	22.563
1983	22.563
1984	30.689
1985	23.88
1986	8.545
1987	19.567
1988	11.989
1989	13.938
1990	15.424
1991	24.122
1992	29.917
1993	22.341
1994	24.749
1995	21.287
1996	21.883
1997	23.968
1998	23.927
1999	15.314
2000	16.576
2001	15.347
2002	23.348
2003	23.736
2004	20.52
2005	26.736
2006	30.387
2007	34.713
2008	34.948
2009	26.145
2010	27.286
2011	22.403
2012	28.146
2013	25.941
2014	26.845
2015	26.528
2016	29.705
2017	33.315
2018	31.45
2019	31.349
2020	31.463
2021	32.04
2022	32.366
2023	32.964
2024	33.109