Year	Percent of GDP (Units)
1980	12.738
1981	16.403
1982	23.436
1983	19.568
1984	17.479
1985	11.357
1986	12.127
1987	15.641
1988	20.575
1989	22.817
1990	16.549
1991	15.324
1992	19.209
1993	18.125
1994	18.937
1995	16.299
1996	12.807
1997	14.737
1998	13.869
1999	15.295
2000	15.934
2001	16.333
2002	15.252
2003	15.972
2004	14.600
2005	14.925
2006	17.106
2007	18.730
2008	19.398
2009	21.344
2010	23.214
2011	24.564
2012	24.665
2013	29.249
2014	29.980
2015	25.611
2016	23.660
2017	26.980
2018	25.466
2019	29.708
2020	27.666
2021	26.890
2022	28.396
2023	27.971
2024	26.694
2025	27.056
2026	27.417
2027	26.538
2028	26.085
2029	25.790