Year	Percent of GDP
1997	9.43
1998	9.328
1999	11.926
2000	10.766
2001	10.742
2002	11.59
2003	12.78
2004	12.655
2005	14.636
2006	15.269
2007	18.07
2008	18.036
2009	20.343
2010	22.685
2011	24.493
2012	28.602
2013	28.119
2014	25.308
2015	21.85
2016	18.661
2017	18.185
2018	19.554
2019	19.229
2020	18.593
2021	18.374
2022	17.887
2023	17.555
2024	17.11