Year	Percent of GDP (Units)
1980	50.485
1981	41.857
1982	25.895
1983	35.827
1984	31.835
1985	22.284
1986	20.282
1987	18.607
1988	15.260
1989	22.852
1990	34.695
1991	44.108
1992	44.411
1993	31.275
1994	22.937
1995	34.650
1996	40.256
1997	36.887
1998	33.300
1999	36.174
2000	40.960
2001	41.992
2002	45.868
2003	48.653
2004	48.027
2005	47.020
2006	46.206
2007	48.985
2008	47.177
2009	42.569
2010	43.359
2011	45.234
2012	43.543
2013	42.762
2014	42.466
2015	33.293
2016	34.135
2017	37.359
2018	40.424
2019	38.726
2020	43.898
2021	45.170
2022	44.041
2023	42.698
2024	41.108
2025	40.239
2026	39.494
2027	39.102
2028	38.842
2029	38.588