Year	Percent of GDP (Units)
1980	21.733
1981	20.877
1982	18.763
1983	16.946
1984	20.140
1985	18.338
1986	17.616
1987	20.177
1988	25.248
1989	25.374
1990	22.987
1991	18.350
1992	19.256
1993	21.105
1994	21.604
1995	20.598
1996	21.424
1997	21.762
1998	21.532
1999	20.551
2000	21.212
2001	21.148
2002	21.470
2003	21.457
2004	21.002
2005	21.706
2006	21.154
2007	21.252
2008	24.005
2009	22.157
2010	23.043
2011	23.838
2012	23.784
2013	23.821
2014	23.249
2015	21.653
2016	20.869
2017	21.978
2018	21.909
2019	23.049
2020	24.563
2021	26.207
2022	24.927
2023	24.997
2024	24.694
2025	24.426
2026	24.312
2027	24.335
2028	24.378
2029	24.500