Year	Percent of GDP (Units)
1980	33.970
1981	34.435
1982	37.136
1983	32.335
1984	35.724
1985	35.251
1986	32.723
1987	36.575
1988	41.198
1989	44.401
1990	50.423
1991	60.288
1992	61.061
1993	62.538
1994	57.737
1995	60.821
1996	61.616
1997	52.020
1998	46.607
1999	41.929
2000	37.091
2001	31.144
2002	25.659
2003	24.026
2004	21.469
2005	18.866
2006	20.389
2007	25.814
2008	28.626
2009	30.744
2010	29.652
2011	28.094
2012	34.889
2013	33.065
2014	33.091
2015	30.011
2016	27.148
2017	24.970
2018	24.401
2019	25.685
2020	27.130
2021	19.380
2022	21.547
2023	25.120
2024	26.561
2025	27.770
2026	28.427
2027	30.603
2028	31.648
2029	33.179