Year	Percent of GDP (Units)
1980	33.899
1981	35.285
1982	35.983
1983	37.773
1984	34.659
1985	36.996
1986	39.466
1987	36.485
1988	41.422
1989	42.935
1990	42.581
1991	42.848
1992	44.680
1993	45.101
1994	44.969
1995	44.370
1996	43.940
1997	42.120
1998	40.872
1999	45.393
2000	44.826
2001	47.419
2002	45.457
2003	47.792
2004	46.686
2005	44.999
2006	44.838
2007	44.747
2008	63.386
2009	53.577
2010	48.796
2011	50.536
2012	47.732
2013	45.966
2014	45.827
2015	43.474
2016	46.437
2017	44.409
2018	43.848
2019	43.577
2020	51.100
2021	49.532
2022	46.488
2023	45.121
2024	45.050
2025	43.755
2026	42.710
2027	42.492
2028	42.492
2029	42.492