Year	Percent of GDP (Units)
1980	31.515
1981	36.999
1982	39.837
1983	30.519
1984	38.117
1985	26.235
1986	5.999
1987	14.901
1988	12.670
1989	15.475
1990	21.404
1991	20.126
1992	18.433
1993	17.749
1994	19.922
1995	26.223
1996	26.826
1997	25.525
1998	13.928
1999	14.870
2000	25.985
2001	20.926
2002	24.826
2003	25.039
2004	16.120
2005	28.394
2006	35.629
2007	42.173
2008	39.538
2009	28.720
2010	30.275
2011	31.173
2012	36.530
2013	33.346
2014	31.407
2015	23.599
2016	24.946
2017	28.856
2018	28.824
2019	30.583
2020	25.722
2021	32.209
2022	42.106
2023	34.831
2024	35.694
2025	34.890
2026	33.712
2027	32.803
2028	32.457
2029	32.556