Year	Percent of GDP (Units)
1980	22.686
1981	22.918
1982	21.238
1983	16.570
1984	15.887
1985	18.053
1986	21.506
1987	23.125
1988	24.947
1989	22.668
1990	21.818
1991	21.840
1992	22.032
1993	21.892
1994	20.541
1995	20.594
1996	20.450
1997	20.760
1998	25.623
1999	21.741
2000	21.292
2001	21.366
2002	22.322
2003	20.683
2004	22.312
2005	23.648
2006	24.627
2007	23.924
2008	24.629
2009	21.904
2010	21.771
2011	23.016
2012	23.351
2013	23.898
2014	24.893
2015	25.218
2016	24.980
2017	26.056
2018	27.988
2019	26.389
2020	27.072
2021	30.620
2022	30.028
2023	26.023
2024	24.049
2025	23.501
2026	23.814
2027	24.119
2028	24.486
2029	24.830