Year	Percent of GDP (Units)
1980	20.458
1981	22.245
1982	23.805
1983	22.808
1984	25.582
1985	25.601
1986	24.570
1987	24.795
1988	25.434
1989	25.725
1990	25.386
1991	25.755
1992	22.620
1993	21.306
1994	23.079
1995	21.354
1996	22.758
1997	23.586
1998	23.578
1999	23.522
2000	22.968
2001	22.802
2002	23.712
2003	23.475
2004	22.144
2005	22.402
2006	22.951
2007	24.052
2008	27.026
2009	28.171
2010	27.358
2011	25.876
2012	24.540
2013	23.662
2014	27.609
2015	25.575
2016	28.122
2017	26.294
2018	25.851
2019	26.918
2020	27.917
2021	30.533
2022	27.920
2023	27.394
2024	28.799
2025	28.860
2026	28.905
2027	28.909
2028	28.936
2029	28.936