Year	Percent of GDP (Units)
1980	32.259
1981	29.814
1982	32.697
1983	35.705
1984	32.976
1985	28.385
1986	34.268
1987	27.290
1988	29.091
1989	26.746
1990	22.369
1991	22.435
1992	25.047
1993	21.693
1994	27.654
1995	27.829
1996	25.853
1997	25.119
1998	26.245
1999	24.838
2000	21.926
2001	22.502
2002	22.546
2003	22.130
2004	19.980
2005	20.167
2006	19.271
2007	25.202
2008	25.099
2009	31.634
2010	29.646
2011	25.326
2012	23.920
2013	21.638
2014	22.701
2015	22.327
2016	21.636
2017	21.281
2018	21.831
2019	24.069
2020	23.329
2021	25.827
2022	23.840
2023	26.088
2024	26.891
2025	27.455
2026	27.608
2027	27.755
2028	27.667
2029	27.484