Year	Percent of GDP (Units)
1980	25.919
1981	24.598
1982	23.647
1983	21.978
1984	23.015
1985	22.998
1986	23.096
1987	23.305
1988	23.834
1989	25.014
1990	25.732
1991	25.263
1992	24.227
1993	22.927
1994	22.855
1995	23.979
1996	23.499
1997	23.668
1998	24.253
1999	23.857
2000	25.221
2001	24.365
2002	25.745
2003	25.957
2004	26.137
2005	26.084
2006	26.905
2007	28.387
2008	28.957
2009	25.372
2010	25.463
2011	25.771
2012	25.460
2013	25.666
2014	26.006
2015	25.531
2016	26.981
2017	26.213
2018	26.631
2019	27.734
2020	29.069
2021	29.306
2022	27.263
2023	27.263
2024	26.570
2025	26.353
2026	26.172
2027	26.036
2028	25.985
2029	25.966