Year	Percent of GDP (Units)
1980	49.022
1981	47.855
1982	47.571
1983	49.204
1984	48.176
1985	50.324
1986	49.809
1987	50.768
1988	50.770
1989	49.610
1990	50.891
1991	49.854
1992	49.246
1993	48.589
1994	49.394
1995	52.299
1996	53.045
1997	52.847
1998	50.870
1999	52.153
2000	56.372
2001	56.383
2002	55.176
2003	54.848
2004	55.583
2005	56.503
2006	58.361
2007	58.017
2008	58.290
2009	55.789
2010	55.345
2011	56.538
2012	56.080
2013	54.063
2014	53.797
2015	54.191
2016	54.441
2017	54.180
2018	55.508
2019	56.725
2020	54.151
2021	56.618
2022	63.053
2023	59.146
2024	58.236
2025	55.554
2026	54.974
2027	54.616
2028	54.553
2029	54.489