Year	Percent of GDP (Units)
1980	24.761
1981	22.141
1982	21.868
1983	21.766
1984	22.577
1985	24.493
1986	23.217
1987	24.142
1988	25.080
1989	27.257
1990	26.785
1991	23.392
1992	21.866
1993	19.084
1994	20.418
1995	20.847
1996	20.608
1997	20.474
1998	21.594
1999	21.775
2000	22.910
2001	22.961
2002	22.139
2003	21.946
2004	21.853
2005	22.279
2006	23.256
2007	24.882
2008	24.591
2009	21.037
2010	22.962
2011	23.834
2012	22.591
2013	22.523
2014	23.504
2015	24.429
2016	24.715
2017	25.725
2018	26.008
2019	25.124
2020	25.097
2021	25.865
2022	28.485
2023	26.757
2024	26.811
2025	27.843
2026	28.178
2027	28.725
2028	29.000
2029	29.284