Year	Percent of GDP (Units)
1980	34.124
1981	30.388
1982	26.200
1983	25.427
1984	24.379
1985	20.836
1986	20.679
1987	23.653
1988	28.826
1989	25.482
1990	25.475
1991	25.928
1992	28.184
1993	28.649
1994	27.959
1995	28.003
1996	25.418
1997	26.593
1998	27.417
1999	26.515
2000	27.221
2001	21.464
2002	21.053
2003	21.741
2004	25.455
2005	24.561
2006	24.706
2007	24.208
2008	24.610
2009	19.972
2010	25.088
2011	23.606
2012	22.690
2013	22.536
2014	22.564
2015	21.731
2016	21.632
2017	20.971
2018	22.236
2019	23.800
2020	24.217
2021	27.409
2022	28.148
2023	25.855
2024	25.059
2025	26.003
2026	26.917
2027	26.565
2028	26.885
2029	27.118