Year	Percent of GDP (Units)
1980	25.153
1981	22.748
1982	21.736
1983	20.912
1984	21.087
1985	21.105
1986	22.061
1987	21.787
1988	22.886
1989	23.817
1990	23.634
1991	23.116
1992	22.233
1993	20.237
1994	20.902
1995	20.971
1996	20.828
1997	23.169
1998	24.368
1999	25.797
2000	23.588
2001	23.740
2002	22.464
2003	22.022
2004	22.422
2005	22.556
2006	23.491
2007	24.063
2008	23.433
2009	20.783
2010	21.318
2011	22.361
2012	21.662
2013	21.777
2014	21.754
2015	22.344
2016	22.123
2017	22.670
2018	23.026
2019	24.877
2020	22.468
2021	25.238
2022	25.935
2023	26.362
2024	22.347
2025	22.029
2026	21.931
2027	21.856
2028	21.961
2029	22.065