Year	Percent of GDP (Units)
1980	10.933
1981	11.988
1982	12.808
1983	13.660
1984	15.132
1985	14.987
1986	15.865
1987	14.837
1988	18.087
1989	19.687
1990	13.998
1991	11.321
1992	9.313
1993	9.652
1994	12.239
1995	14.633
1996	14.861
1997	16.176
1998	17.484
1999	18.270
2000	16.718
2001	18.678
2002	19.105
2003	21.449
2004	20.498
2005	18.768
2006	18.279
2007	16.954
2008	15.874
2009	16.181
2010	17.162
2011	16.621
2012	15.476
2013	15.825
2014	14.901
2015	15.379
2016	15.613
2017	14.743
2018	13.070
2019	12.819
2020	11.705
2021	11.031
2022	8.538
2023	8.227
2024	8.288
2025	8.274
2026	8.400
2027	8.421
2028	8.452
2029	8.476