Year	Percent of GDP (Units)
1980	28.716
1981	23.892
1982	26.963
1983	26.489
1984	26.104
1985	27.418
1986	26.965
1987	21.715
1988	23.586
1989	24.015
1990	24.548
1991	24.979
1992	22.591
1993	21.447
1994	20.096
1995	22.387
1996	23.289
1997	22.381
1998	25.115
1999	24.097
2000	25.753
2001	25.551
2002	24.689
2003	27.301
2004	25.238
2005	22.028
2006	26.085
2007	26.903
2008	24.435
2009	18.284
2010	17.862
2011	14.002
2012	12.097
2013	11.949
2014	11.879
2015	12.065
2016	12.835
2017	12.021
2018	13.124
2019	12.408
2020	14.421
2021	17.679
2022	21.117
2023	16.811
2024	22.041
2025	23.501
2026	24.455
2027	25.178
2028	25.659
2029	26.030