Year	Percent of GDP (Units)
1980	43.864
1981	44.542
1982	46.429
1983	48.197
1984	47.519
1985	49.399
1986	50.038
1987	50.976
1988	49.546
1989	46.801
1990	47.087
1991	55.771
1992	60.815
1993	63.587
1994	62.137
1995	59.974
1996	58.429
1997	54.892
1998	51.319
1999	49.914
2000	46.909
2001	46.225
2002	47.442
2003	48.274
2004	48.185
2005	49.185
2006	48.262
2007	46.677
2008	47.872
2009	54.088
2010	53.904
2011	53.652
2012	55.439
2013	56.816
2014	57.274
2015	56.490
2016	55.647
2017	53.633
2018	53.380
2019	53.338
2020	57.186
2021	55.819
2022	53.514
2023	55.344
2024	55.219
2025	55.059
2026	54.619
2027	54.262
2028	53.715
2029	53.725