Year	Percent of GDP (Units)
1980	30.739
1981	31.509
1982	31.731
1983	31.839
1984	31.200
1985	30.405
1986	30.397
1987	30.640
1988	29.894
1989	29.189
1990	29.459
1991	29.298
1992	30.293
1993	32.137
1994	32.784
1995	33.404
1996	33.809
1997	33.081
1998	38.633
1999	35.567
2000	35.951
2001	35.194
2002	35.392
2003	35.038
2004	33.678
2005	33.520
2006	33.057
2007	33.123
2008	34.107
2009	38.686
2010	37.745
2011	38.627
2012	38.638
2013	38.778
2014	38.389
2015	37.295
2016	37.229
2017	36.686
2018	36.739
2019	37.294
2020	44.504
2021	42.485
2022	41.950
2023	42.241
2024	42.312
2025	39.692
2026	39.365
2027	39.573
2028	39.872
2029	40.229