Year	Percent of GDP
1997	12.445
1998	12.223
1999	12.527
2000	13.143
2001	14.105
2002	14.035
2003	12.827
2004	13.63
2005	14.741
2006	15.218
2007	16.378
2008	15.036
2009	13.231
2010	13.07
2011	12.897
2012	13.557
2013	14.218
2014	14.578
2015	17.357
2016	14.638
2017	14.919
2018	15.053
2019	15.157
2020	15.208
2021	15.119
2022	15.174
2023	15.148
2024	15.122