Year	Percent of GDP (Units)
1980	28.961
1981	33.585
1982	31.211
1983	41.199
1984	23.510
1985	25.604
1986	27.509
1987	42.669
1988	54.109
1989	39.877
1990	14.511
1991	27.323
1992	28.959
1993	36.030
1994	62.694
1995	46.945
1996	39.157
1997	28.157
1998	37.016
1999	34.839
2000	30.950
2001	30.145
2002	28.533
2003	30.945
2004	26.666
2005	25.938
2006	28.283
2007	61.054
2008	42.071
2009	54.295
2010	47.190
2011	36.842
2012	43.817
2013	47.064
2014	53.586
2015	79.401
2016	71.267
2017	45.894
2018	29.527
2019	25.900
2020	23.732
2021	22.157
2022	26.405
2023	28.508
2024	28.160
2025	28.138
2026	27.556
2027	26.364
2028	25.622
2029	24.648