Year	Percent of GDP (Units)
1980	89.820
1981	89.820
1982	89.820
1983	89.820
1984	29.952
1985	17.965
1986	10.639
1987	13.963
1988	13.500
1989	13.251
1990	13.714
1991	10.335
1992	14.056
1993	13.015
1994	15.257
1995	15.495
1996	14.731
1997	14.907
1998	17.632
1999	14.792
2000	13.775
2001	13.691
2002	14.312
2003	14.459
2004	14.536
2005	15.261
2006	15.686
2007	16.887
2008	19.249
2009	17.991
2010	18.175
2011	16.021
2012	16.152
2013	16.356
2014	15.203
2015	13.759
2016	13.144
2017	14.278
2018	15.947
2019	16.473
2020	17.916
2021	16.312
2022	12.628
2023	7.710
2024	6.349
2025	3.915
2026	3.206
2027	2.706
2028	2.364
2029	1.864