Year	Percent of GDP (Units)
1980	59.328
1981	61.879
1982	63.868
1983	63.457
1984	60.737
1985	61.870
1986	60.016
1987	57.855
1988	56.485
1989	56.516
1990	57.336
1991	61.043
1992	66.253
1993	67.745
1994	65.105
1995	61.999
1996	60.025
1997	57.865
1998	55.580
1999	55.204
2000	52.209
2001	51.676
2002	52.677
2003	52.827
2004	51.496
2005	51.325
2006	50.125
2007	48.383
2008	49.027
2009	51.360
2010	49.381
2011	48.726
2012	49.913
2013	50.623
2014	49.692
2015	48.407
2016	48.775
2017	48.263
2018	48.809
2019	48.132
2020	51.057
2021	48.132
2022	46.807
2023	47.215
2024	48.045
2025	48.088
2026	48.610
2027	48.606
2028	48.603
2029	48.599