Year	Percent of GDP (Units)
1980	17.136
1981	14.338
1982	9.037
1983	10.108
1984	13.753
1985	12.325
1986	10.281
1987	13.715
1988	15.587
1989	17.277
1990	16.954
1991	15.598
1992	15.453
1993	16.049
1994	16.329
1995	16.869
1996	17.455
1997	18.566
1998	16.918
1999	20.700
2000	19.714
2001	17.453
2002	15.988
2003	15.322
2004	15.317
2005	14.596
2006	13.991
2007	13.391
2008	12.146
2009	10.431
2010	9.160
2011	10.070
2012	10.335
2013	9.529
2014	8.941
2015	8.599
2016	8.075
2017	7.793
2018	15.331
2019	15.349
2020	10.881
2021	10.880
2022	13.349
2023	13.209
2024	13.659
2025	13.947
2026	14.042
2027	13.808
2028	13.698
2029	13.589