Year	Percent of GDP
1997	24.854
1998	25.379
1999	21.709
2000	23.584
2001	21.814
2002	18.221
2003	23.068
2004	20.259
2005	20.475
2006	20.202
2007	17.349
2008	20.867
2009	20.427
2010	15.801
2011	18.265
2012	22.193
2013	18.406
2014	17.898
2015	16.616
2016	11.737
2017	14.892
2018	14.092
2019	14.399
2020	14.162
2021	13.897
2022	13.977
2023	13.479
2024	13.282