Year	Percent of GDP (Units)
1980	31.954
1981	43.234
1982	29.042
1983	13.622
1984	10.443
1985	5.744
1986	7.663
1987	5.400
1988	21.014
1989	31.815
1990	23.962
1991	14.532
1992	24.841
1993	32.292
1994	32.904
1995	36.323
1996	32.971
1997	30.431
1998	26.503
1999	28.620
2000	27.713
2001	25.967
2002	29.706
2003	36.082
2004	34.115
2005	24.270
2006	24.094
2007	21.015
2008	26.984
2009	27.465
2010	28.092
2011	21.722
2012	16.139
2013	16.432
2014	18.729
2015	15.844
2016	13.753
2017	9.265
2018	12.922
2019	17.020
2020	12.978
2021	11.646
2022	10.615
2023	10.615
2024	11.727
2025	12.897
2026	13.257
2027	13.639
2028	13.267
2029	13.075