Year	Percent of GDP (Units)
1980	46.193
1981	73.370
1982	71.535
1983	62.885
1984	55.291
1985	55.387
1986	59.774
1987	51.124
1988	54.137
1989	59.157
1990	13.610
1991	22.905
1992	26.321
1993	36.342
1994	33.099
1995	23.850
1996	25.179
1997	23.949
1998	25.571
1999	25.368
2000	22.407
2001	26.186
2002	20.104
2003	27.659
2004	28.766
2005	37.529
2006	35.885
2007	38.705
2008	43.566
2009	34.371
2010	42.087
2011	58.151
2012	55.899
2013	53.276
2014	35.175
2015	24.514
2016	22.629
2017	27.406
2018	39.378
2019	35.592
2020	22.384
2021	36.719
2022	42.332
2023	32.387
2024	32.640
2025	36.342
2026	36.933
2027	34.336
2028	33.021
2029	32.108