Year	Percent of GDP (Units)
1980	47.317
1981	47.938
1982	49.209
1983	49.608
1984	50.209
1985	50.290
1986	49.573
1987	49.833
1988	48.479
1989	46.562
1990	47.377
1991	47.953
1992	47.492
1993	49.349
1994	49.373
1995	48.136
1996	49.049
1997	49.451
1998	49.935
1999	49.849
2000	49.319
2001	49.612
2002	49.860
2003	49.183
2004	49.080
2005	49.147
2006	49.029
2007	48.629
2008	49.680
2009	49.250
2010	49.791
2011	50.974
2012	52.159
2013	52.987
2014	52.544
2015	51.306
2016	50.755
2017	51.346
2018	51.395
2019	49.918
2020	49.887
2021	49.474
2022	49.617
2023	50.130
2024	50.673
2025	50.643
2026	50.481
2027	50.472
2028	50.634
2029	50.616