Year	Percent of GDP (Units)
1980	15.749
1981	15.300
1982	15.497
1983	13.740
1984	18.744
1985	12.057
1986	17.900
1987	16.785
1988	22.784
1989	15.690
1990	13.810
1991	11.516
1992	10.594
1993	16.389
1994	17.470
1995	12.352
1996	17.515
1997	13.393
1998	15.194
1999	15.203
2000	20.217
2001	21.528
2002	22.838
2003	21.006
2004	25.050
2005	22.384
2006	23.914
2007	20.781
2008	21.244
2009	24.677
2010	25.524
2011	32.108
2012	37.098
2013	34.081
2014	37.982
2015	39.417
2016	37.349
2017	38.444
2018	34.163
2019	35.264
2020	30.752
2021	28.023
2022	25.340
2023	22.171
2024	19.396
2025	19.024
2026	20.437
2027	20.603
2028	20.546
2029	19.983