Year	Percent of GDP (Units)
1980	72.032
1981	56.289
1982	47.343
1983	42.609
1984	51.011
1985	65.777
1986	84.203
1987	38.488
1988	28.277
1989	23.664
1990	46.182
1991	30.421
1992	31.676
1993	40.350
1994	40.155
1995	40.368
1996	32.562
1997	32.091
1998	41.166
1999	39.812
2000	38.999
2001	30.259
2002	31.677
2003	37.728
2004	37.015
2005	30.965
2006	36.699
2007	31.700
2008	29.630
2009	30.277
2010	29.878
2011	33.644
2012	31.755
2013	34.039
2014	34.043
2015	42.791
2016	38.206
2017	41.003
2018	38.641
2019	39.262
2020	32.245
2021	28.451
2022	31.921
2023	31.160
2024	31.547
2025	31.812
2026	32.206
2027	31.906
2028	32.306
2029	32.606