Year	Percent of GDP (Units)
1980	26.324
1981	27.657
1982	27.918
1983	27.893
1984	28.576
1985	29.034
1986	29.035
1987	30.280
1988	30.389
1989	30.420
1990	31.418
1991	30.973
1992	30.868
1993	29.746
1994	29.022
1995	29.109
1996	28.939
1997	29.555
1998	28.586
1999	28.818
2000	28.669
2001	28.994
2002	28.056
2003	27.605
2004	28.364
2005	29.081
2006	30.028
2007	30.222
2008	29.998
2009	28.993
2010	28.669
2011	29.641
2012	30.442
2013	31.167
2014	32.773
2015	33.617
2016	33.630
2017	33.587
2018	34.267
2019	34.249
2020	35.451
2021	36.380
2022	37.596
2023	36.482
2024	35.776
2025	36.512
2026	36.471
2027	36.479
2028	36.478
2029	36.477