Year	Percent of GDP (Units)
1984	23.464
1985	24.906
1986	25.688
1987	22.502
1988	20.250
1989	19.695
1990	20.278
1991	19.953
1992	20.369
1993	16.285
1994	21.803
1995	18.397
1996	15.528
1997	14.548
1998	13.084
1999	11.465
2000	9.748
2001	12.994
2002	14.262
2003	12.760
2004	11.713
2005	11.731
2006	12.455
2007	13.064
2008	15.129
2009	13.662
2010	13.267
2011	13.217
2012	14.860
2013	14.827
2014	14.528
2015	19.059
2016	18.906
2017	18.849
2018	19.168
2019	20.139
2020	18.767
2021	19.952
2022	18.278
2023	21.821
2024	20.581
2025	18.181
2026	18.379
2027	18.309
2028	18.483
2029	18.773