Year	Percent of GDP
2004	19.531
2005	20.892
2006	19.296
2007	22.478
2008	22.208
2009	22.377
2010	22.125
2011	21.327
2012	23.497
2013	22.419
2014	24.796
2015	22.969
2016	23.251
2017	22.07
2018	22.936
2019	20.867
2020	20.925
2021	20.637
2022	20.705
2023	20.709
2024	20.634