Year	Percent of GDP (Units)
1998	58.947
1999	59.444
2000	55.769
2001	53.784
2002	50.287
2003	42.763
2004	39.842
2005	34.151
2006	33.496
2007	31.466
2008	28.180
2009	33.256
2010	40.281
2011	41.526
2012	50.928
2013	54.080
2014	54.874
2015	56.366
2016	48.994
2017	46.684
2018	49.405
2019	44.291
2020	43.186
2021	46.297
2022	43.701
2023	33.426
2024	29.055
2025	29.684
2026	31.061
2027	32.603
2028	34.180
2029	35.674