Year	Percent of GDP (Units)
1980	34.964
1981	33.044
1982	31.903
1983	31.855
1984	34.324
1985	39.025
1986	37.676
1987	37.249
1988	39.001
1989	37.056
1990	33.984
1991	35.250
1992	39.150
1993	43.401
1994	40.238
1995	39.022
1996	37.685
1997	35.657
1998	34.980
1999	34.287
2000	33.735
2001	35.694
2002	36.270
2003	39.700
2004	41.973
2005	40.273
2006	39.881
2007	40.421
2008	42.425
2009	45.469
2010	46.968
2011	47.029
2012	46.186
2013	46.136
2014	45.612
2015	43.033
2016	42.655
2017	43.172
2018	43.961
2019	43.068
2020	42.857
2021	43.289
2022	43.227
2023	42.147
2024	42.540
2025	42.333
2026	42.265
2027	42.237
2028	42.170
2029	42.107