Year	Percent of GDP
1980	22.692
1981	20.273
1982	19.618
1983	19.834
1984	20.155
1985	19.293
1986	20.159
1987	19.501
1988	20.624
1989	19.676
1990	19.816
1991	18.924
1992	18.163
1993	19.409
1994	19.743
1995	22.213
1996	22.438
1997	22.23
1998	21.538
1999	21.131
2000	20.774
2001	21.194
2002	21.147
2003	20.456
2004	20.824
2005	20.203
2006	20.391
2007	20.796
2008	18.963
2009	17.503
2010	17.126
2011	17.466
2012	17.524
2013	17.943
2014	18.942
2015	18.78
2016	20.116
2017	20.436
2018	20.567
2019	20.637
2020	20.474
2021	20.353
2022	20.17
2023	20.032
2024	19.938