Year	Percent of GDP (Units)
1985	39.176
1986	41.555
1987	42.644
1988	44.233
1989	45.780
1990	46.775
1991	46.869
1992	46.260
1993	45.283
1994	44.771
1995	45.321
1996	42.461
1997	40.583
1998	39.665
1999	38.153
2000	38.480
2001	38.532
2002	39.326
2003	40.369
2004	40.654
2005	42.245
2006	42.473
2007	40.676
2008	40.044
2009	38.633
2010	37.513
2011	37.453
2012	37.588
2013	37.347
2014	37.348
2015	37.589
2016	37.429
2017	36.978
2018	37.375
2019	36.336
2020	37.740
2021	38.606
2022	38.447
2023	37.611
2024	37.741
2025	38.239
2026	38.639
2027	38.865
2028	39.086
2029	38.291