Year	Percent of GDP (Units)
1980	24.178
1981	27.694
1982	28.303
1983	29.824
1984	31.511
1985	33.763
1986	33.303
1987	33.560
1988	33.353
1989	34.306
1990	37.968
1991	34.706
1992	36.393
1993	38.090
1994	36.411
1995	46.000
1996	45.083
1997	43.706
1998	45.149
1999	46.154
2000	46.426
2001	45.986
2002	45.797
2003	46.592
2004	47.615
2005	45.562
2006	45.117
2007	47.069
2008	50.845
2009	54.084
2010	52.957
2011	55.120
2012	54.148
2013	52.460
2014	51.162
2015	51.558
2016	50.279
2017	48.666
2018	48.856
2019	48.073
2020	60.195
2021	57.674
2022	52.909
2023	48.774
2024	47.740
2025	47.837
2026	47.092
2027	46.158
2028	45.273
2029	45.097