Year	Percent of GDP (Units)
1980	44.422
1981	32.059
1982	36.374
1983	44.785
1984	43.650
1985	26.032
1986	21.684
1987	25.038
1988	19.452
1989	40.626
1990	52.746
1991	48.481
1992	37.271
1993	38.371
1994	22.532
1995	18.085
1996	16.588
1997	17.966
1998	27.436
1999	18.495
2000	19.978
2001	28.385
2002	28.849
2003	21.565
2004	24.638
2005	32.669
2006	39.888
2007	36.849
2008	34.506
2009	33.373
2010	26.646
2011	28.327
2012	27.961
2013	24.870
2014	24.057
2015	26.474
2016	16.902
2017	17.480
2018	19.884
2019	18.623
2020	14.395
2021	15.300
2022	30.788
2023	25.950
2024	25.656
2025	23.179
2026	20.401
2027	19.480
2028	17.967
2029	17.719