Year	Percent of GDP
1996	22.204
1997	19.064
1998	21.671
1999	15.931
2000	11.893
2001	11.684
2002	21.579
2003	19.451
2004	16.201
2005	12.969
2006	11.885
2007	11.375
2008	9.059
2009	10.101
2010	11.714
2011	8.936
2012	12.126
2013	10.715
2014	11.822
2015	38.415
2016	47.47
2017	39.53
2018	33.184
2019	30.035
2020	27.263
2021	25.725
2022	25.146
2023	25.388
2024	24.496