Year	Percent of GDP (Units)
1980	16.118
1981	17.222
1982	14.232
1983	11.651
1984	11.590
1985	11.600
1986	10.444
1987	13.981
1988	13.845
1989	13.694
1990	15.479
1991	15.538
1992	20.316
1993	19.700
1994	17.717
1995	17.412
1996	15.280
1997	16.900
1998	20.143
1999	20.723
2000	20.090
2001	19.934
2002	20.661
2003	20.484
2004	21.082
2005	20.066
2006	21.085
2007	21.281
2008	16.677
2009	13.530
2010	14.470
2011	16.038
2012	15.917
2013	15.843
2014	15.071
2015	14.828
2016	13.862
2017	13.596
2018	13.790
2019	14.330
2020	13.507
2021	16.863
2022	16.660
2023	16.372
2024	16.781
2025	17.072
2026	17.112
2027	17.167
2028	17.003
2029	16.968