Year	Percent of GDP (Units)
1980	27.136
1981	28.893
1982	26.499
1983	23.059
1984	26.731
1985	27.239
1986	25.553
1987	26.390
1988	28.833
1989	30.155
1990	26.399
1991	22.758
1992	22.717
1993	23.919
1994	25.882
1995	25.203
1996	24.777
1997	24.753
1998	26.294
1999	26.287
2000	24.950
2001	23.464
2002	25.219
2003	26.741
2004	27.207
2005	27.834
2006	27.085
2007	28.204
2008	28.325
2009	26.929
2010	26.300
2011	26.841
2012	28.444
2013	27.079
2014	26.429
2015	25.879
2016	24.671
2017	24.279
2018	24.175
2019	22.573
2020	22.294
2021	23.303
2022	23.693
2023	23.926
2024	24.213
2025	24.629
2026	24.840
2027	24.929
2028	24.983
2029	25.004