Year	Percent of GDP (Units)
1980	34.183
1981	31.474
1982	31.041
1983	31.495
1984	29.017
1985	29.833
1986	31.933
1987	31.522
1988	32.562
1989	33.323
1990	34.974
1991	31.697
1992	28.903
1993	27.529
1994	28.310
1995	28.064
1996	27.579
1997	26.092
1998	27.282
1999	27.063
2000	27.141
2001	27.610
2002	26.177
2003	25.980
2004	24.597
2005	27.096
2006	27.721
2007	26.698
2008	27.356
2009	28.287
2010	25.895
2011	28.424
2012	26.539
2013	25.074
2014	25.482
2015	25.075
2016	25.450
2017	25.860
2018	25.582
2019	26.270
2020	29.649
2021	26.257
2022	24.453
2023	24.442
2024	24.328
2025	24.667
2026	24.766
2027	25.076
2028	25.148
2029	25.442