Year	Percent of GDP
1997	16.91
1998	17.187
1999	17.483
2000	18.95
2001	19.738
2002	19.064
2003	20.098
2004	20.676
2005	18.556
2006	16.942
2007	16.111
2008	14.209
2009	13.165
2010	13.164
2011	14.504
2012	13.505
2013	12.716
2014	13.417
2015	15.179
2016	14.841
2017	15.112
2018	15.618
2019	16.08
2020	16.15
2021	17.318
2022	17.454
2023	19.175
2024	19.271