Year	Percent of GDP (Units)
2000	42.573
2001	44.218
2002	43.456
2003	45.241
2004	42.008
2005	42.347
2006	42.191
2007	40.934
2008	42.175
2009	41.157
2010	40.160
2011	41.950
2012	42.146
2013	40.814
2014	40.263
2015	38.519
2016	36.373
2017	34.453
2018	35.975
2019	35.672
2020	45.298
2021	42.931
2022	39.388
2023	39.846
2024	38.440
2025	37.669
2026	36.982
2027	36.233
2028	36.106
2029	36.084