Year	Percent of GDP (Units)
2000	44.909
2001	43.841
2002	45.463
2003	49.376
2004	46.738
2005	40.359
2006	34.940
2007	31.870
2008	28.036
2009	28.272
2010	25.156
2011	23.071
2012	20.657
2013	19.949
2014	20.591
2015	23.965
2016	24.336
2017	25.234
2018	26.024
2019	26.957
2020	34.919
2021	36.110
2022	33.924
2023	32.086
2024	33.002
2025	33.293
2026	33.199
2027	32.639
2028	32.128
2029	31.644