Year	Percent of GDP (Units)
1980	146.229
1981	221.068
1982	260.667
1983	259.288
1984	257.938
1985	183.757
1986	152.465
1987	141.318
1988	154.504
1989	187.025
1990	157.004
1991	169.465
1992	136.870
1993	152.575
1994	215.973
1995	136.874
1996	91.186
1997	46.261
1998	59.233
1999	60.478
2000	36.627
2001	25.477
2002	19.447
2003	6.713
2004	4.526
2005	2.849
2006	1.220
2007	0.754
2008	0.488
2009	4.337
2010	7.894
2011	7.170
2012	7.097
2013	6.272
2014	12.560
2015	31.657
2016	41.139
2017	36.235
2018	41.207
2019	43.189
2020	49.386
2021	42.109
2022	34.615
2023	42.448
2024	37.669
2025	36.838
2026	38.821
2027	37.984
2028	39.793
2029	41.665