Year	Percent of GDP (Units)
1980	19.837
1981	17.417
1982	16.597
1983	16.305
1984	17.518
1985	17.599
1986	18.718
1987	19.677
1988	22.185
1989	23.474
1990	23.647
1991	22.736
1992	23.056
1993	24.409
1994	25.628
1995	25.770
1996	25.247
1997	26.212
1998	26.086
1999	28.877
2000	26.203
2001	24.126
2002	25.249
2003	24.362
2004	25.765
2005	25.676
2006	25.821
2007	26.099
2008	24.931
2009	23.831
2010	24.751
2011	22.568
2012	23.609
2013	23.383
2014	23.908
2015	25.011
2016	24.804
2017	25.154
2018	24.502
2019	25.108
2020	25.637
2021	27.041
2022	26.126
2023	25.120
2024	24.474
2025	24.677
2026	24.877
2027	25.093
2028	25.330
2029	25.492