Year	Percent of GDP (Units)
1980	18.153
1981	12.111
1982	15.668
1983	12.771
1984	14.632
1985	13.446
1986	12.580
1987	10.469
1988	15.030
1989	16.131
1990	14.152
1991	12.019
1992	15.022
1993	13.519
1994	17.551
1995	16.429
1996	17.570
1997	16.139
1998	18.017
1999	17.023
2000	16.482
2001	13.703
2002	14.390
2003	16.745
2004	10.782
2005	10.621
2006	10.797
2007	14.136
2008	8.670
2009	10.928
2010	11.277
2011	5.239
2012	7.702
2013	8.157
2014	7.317
2015	10.781
2016	12.127
2017	11.835
2018	10.311
2019	11.739
2020	11.860
2021	6.920
2022	7.185
2023	7.865
2024	9.739
2025	10.936
2026	11.998
2027	12.266
2028	12.473
2029	12.558