Year	Percent of GDP (Units)
1980	46.519
1981	47.190
1982	48.079
1983	48.974
1984	48.335
1985	48.719
1986	48.438
1987	48.426
1988	47.455
1989	44.895
1990	44.811
1991	47.601
1992	47.183
1993	47.798
1994	45.972
1995	44.367
1996	44.606
1997	43.383
1998	42.420
1999	43.837
2000	43.560
2001	42.651
2002	41.652
2003	41.607
2004	41.864
2005	42.113
2006	43.356
2007	42.466
2008	43.585
2009	42.677
2010	42.828
2011	42.706
2012	43.091
2013	43.884
2014	43.831
2015	42.906
2016	43.774
2017	43.830
2018	43.782
2019	43.923
2020	44.117
2021	43.836
2022	43.401
2023	42.957
2024	43.006
2025	43.153
2026	43.272
2027	43.357
2028	43.315
2029	43.369