Year	Percent of GDP (Units)
1980	9.097
1981	8.321
1982	26.683
1983	22.755
1984	22.676
1985	44.289
1986	22.740
1987	26.685
1988	25.625
1989	21.163
1990	27.514
1991	30.620
1992	27.242
1993	29.075
1994	32.841
1995	32.810
1996	21.106
1997	24.128
1998	17.492
1999	11.587
2000	8.503
2001	11.629
2002	13.700
2003	14.918
2004	14.758
2005	13.767
2006	17.935
2007	18.311
2008	14.046
2009	15.911
2010	13.306
2011	14.666
2012	14.990
2013	16.436
2014	15.452
2015	15.437
2016	16.721
2017	14.305
2018	15.559
2019	15.075
2020	14.988
2021	13.847
2022	10.921
2023	8.219
2024	11.305
2025	12.316
2026	13.241
2027	14.313
2028	14.387
2029	13.695