Year	Percent of GDP (Units)
1980	23.435
1981	21.975
1982	22.352
1983	23.685
1984	17.254
1985	12.125
1986	12.758
1987	14.525
1988	15.113
1989	17.812
1990	23.332
1991	19.717
1992	20.748
1993	23.186
1994	23.311
1995	21.794
1996	23.282
1997	24.065
1998	19.989
1999	16.201
2000	15.684
2001	18.945
2002	20.459
2003	19.529
2004	20.731
2005	18.567
2006	16.015
2007	16.129
2008	18.967
2009	17.432
2010	20.442
2011	20.740
2012	19.561
2013	20.642
2014	20.924
2015	21.341
2016	24.619
2017	25.559
2018	27.151
2019	26.402
2020	17.433
2021	21.141
2022	24.698
2023	23.449
2024	23.359
2025	24.024
2026	26.481
2027	27.481
2028	28.518
2029	29.684