Year	Percent of GDP (Units)
1980	46.590
1981	35.688
1982	26.348
1983	25.999
1984	26.822
1985	18.764
1986	20.506
1987	25.001
1988	17.601
1989	40.749
1990	35.962
1991	30.675
1992	36.094
1993	37.875
1994	32.873
1995	8.871
1996	9.526
1997	10.152
1998	12.247
1999	12.293
2000	11.931
2001	14.509
2002	10.970
2003	13.725
2004	21.151
2005	19.327
2006	20.311
2007	26.518
2008	38.746
2009	37.222
2010	27.027
2011	23.351
2012	20.169
2013	16.513
2014	16.491
2015	15.992
2016	16.366
2017	15.806
2018	20.703
2019	22.684
2020	17.715
2021	15.098
2022	20.726
2023	24.018
2024	23.047
2025	23.594
2026	23.156
2027	23.315
2028	23.304
2029	23.523
