Year	Percent of GDP (Units)
1998	54.428
1999	57.503
2000	56.306
2001	50.351
2002	47.557
2003	47.411
2004	45.597
2005	45.705
2006	45.670
2007	46.550
2008	49.417
2009	49.012
2010	48.718
2011	46.420
2012	46.926
2013	44.523
2014	46.270
2015	42.689
2016	41.455
2017	39.981
2018	40.423
2019	39.915
2020	45.385
2021	39.856
2022	38.781
2023	41.431
2024	42.593
2025	42.321
2026	42.005
2027	41.694
2028	41.335
2029	41.071