Year	Percent of GDP
1980	30.631
1981	20.981
1982	24.784
1983	24.326
1984	22.847
1985	25.436
1986	26.727
1987	28.749
1988	27.486
1989	27.923
1990	27.971
1991	24.392
1992	25.099
1993	22.46
1994	20.703
1995	20.266
1996	19.565
1997	19.852
1998	20.328
1999	20.191
2000	17.768
2001	17.893
2002	17.209
2003	16.222
2004	15.376
2005	13.467
2006	12.559
2007	13.038
2008	10.979
2009	10.677
2010	10.709
2011	13.031
2012	13.643
2013	15.366
2014	15.05
2015	14.937
2016	15.86
2017	17.092
2018	16.956
2019	17.375
2020	17.09
2021	16.965
2022	16.962
2023	17.074
2024	17.255