Year	Percent of GDP
1980	27.505
1981	28.771
1982	25.549
1983	22.686
1984	18.517
1985	19.674
1986	15.963
1987	14.012
1988	11.26
1989	13.128
1990	14.284
1991	15.717
1992	12.76
1993	15.973
1994	13.485
1995	13.715
1996	16.703
1997	18.348
1998	28.243
1999	22.852
2000	17.322
2001	16.204
2002	19.85
2003	22.143
2004	19.269
2005	21.04
2006	18.649
2007	15.613
2008	23.423
2009	19.019
2010	18.738
2011	20.999
2012	17.272
2013	27.634
2014	19.169
2015	21.109
2016	19.256
2017	19.551
2018	20.434
2019	19.977
2020	19.923
2021	19.873
2022	19.827
2023	20.119
2024	20.269