Year	Percent of GDP (Units)
1980	12.012
1981	14.688
1982	14.944
1983	15.923
1984	16.807
1985	16.327
1986	16.463
1987	17.879
1988	20.692
1989	19.785
1990	17.588
1991	16.143
1992	28.237
1993	25.262
1994	24.232
1995	25.260
1996	25.554
1997	25.695
1998	22.600
1999	21.263
2000	23.463
2001	25.880
2002	27.338
2003	26.247
2004	26.467
2005	26.942
2006	28.423
2007	26.571
2008	24.351
2009	21.056
2010	20.207
2011	21.436
2012	19.933
2013	21.260
2014	22.474
2015	21.352
2016	21.280
2017	22.532
2018	23.312
2019	24.269
2020	19.670
2021	18.562
2022	23.870
2023	23.286
2024	23.750
2025	24.836
2026	25.518
2027	24.850
2028	23.801
2029	22.815