Year	Percent of GDP (Units)
1980	29.655
1981	30.161
1982	29.086
1983	28.231
1984	29.118
1985	30.748
1986	31.029
1987	30.715
1988	31.948
1989	32.755
1990	32.882
1991	32.953
1992	32.385
1993	31.413
1994	29.826
1995	29.034
1996	33.427
1997	33.228
1998	32.400
1999	30.665
2000	31.046
2001	29.725
2002	28.508
2003	28.746
2004	29.359
2005	29.573
2006	29.869
2007	30.402
2008	28.661
2009	25.348
2010	26.429
2011	25.624
2012	24.956
2013	25.299
2014	25.787
2015	28.235
2016	28.788
2017	29.343
2018	29.169
2019	29.235
2020	28.212
2021	29.620
2022	28.573
2023	29.596
2024	29.774
2025	29.902
2026	29.917
2027	29.676
2028	29.532
2029	29.278