Year	Percent of GDP
1997	38.112
1998	39.261
1999	38.948
2000	39.017
2001	41.845
2002	44.279
2003	37.606
2004	34.674
2005	43.196
2006	36.78
2007	35.824
2008	38.958
2009	48.387
2010	52.748
2011	51.864
2012	57.124
2013	55.949
2014	55.065
2015	53.329
2016	59.375
2017	61.591
2018	61.469
2019	61.434
2020	61.358
2021	61.181
2022	60.916
2023	60.712
2024	60.587