Year	Percent of GDP
1980	22.46
1981	22.123
1982	20.489
1983	22.687
1984	21.618
1985	21.553
1986	17.729
1987	20.304
1988	19.892
1989	18.012
1990	19.281
1991	19.459
1992	20.525
1993	21.162
1994	20.823
1995	18.129
1996	20.257
1997	21.198
1998	21.605
1999	22.334
2000	20.951
2001	20.628
2002	19.696
2003	19.807
2004	20.135
2005	19.874
2006	20.778
2007	20.454
2008	20.884
2009	20.681
2010	20.028
2011	14.648
2012	15.318
2013	13.078
2014	13.326
2015	10.256
2016	9.109
2017	9.606
2018	8.931
2019	9.884
2020	11.644
2021	13.038
2022	14.355
2023	15.714
2024	17