Year	Percent of GDP (Units)
1980	15.608
1981	14.585
1982	11.245
1983	14.974
1984	16.622
1985	29.870
1986	30.794
1987	30.267
1988	30.623
1989	32.605
1990	34.018
1991	35.244
1992	35.683
1993	35.645
1994	33.835
1995	31.714
1996	31.851
1997	32.325
1998	32.005
1999	34.835
2000	35.213
2001	30.487
2002	28.036
2003	28.455
2004	28.379
2005	28.449
2006	25.646
2007	26.062
2008	26.708
2009	21.968
2010	23.861
2011	24.909
2012	24.052
2013	23.236
2014	24.011
2015	23.696
2016	22.659
2017	23.341
2018	23.535
2019	27.566
2020	25.940
2021	26.739
2022	25.396
2023	25.396
2024	25.005
2025	25.366
2026	25.323
2027	25.298
2028	25.301
2029	25.300