Year	Percent of GDP (Units)
1980	75.658
1981	59.179
1982	59.134
1983	71.833
1984	64.144
1985	52.003
1986	34.939
1987	31.864
1988	45.398
1989	45.694
1990	37.323
1991	37.885
1992	37.932
1993	33.877
1994	33.078
1995	27.698
1996	28.242
1997	27.375
1998	39.192
1999	28.330
2000	23.540
2001	23.692
2002	21.411
2003	19.289
2004	19.371
2005	17.352
2006	16.474
2007	16.039
2008	15.698
2009	15.381
2010	14.482
2011	12.896
2012	11.825
2013	12.221
2014	12.595
2015	12.515
2016	12.840
2017	12.831
2018	13.246
2019	13.570
2020	12.263
2021	13.626
2022	11.788
2023	15.265
2024	15.269
2025	15.054
2026	14.924
2027	14.856
2028	14.828
2029	14.953