Year	Percent of GDP
1997	42.906
1998	39.703
1999	39.842
2000	55.246
2001	49.511
2002	54.279
2003	61.97
2004	49.897
2005	47.159
2006	39.114
2007	34.513
2008	38.005
2009	27.778
2010	17.341
2011	11.807
2012	16.346
2013	21.453
2014	26.326
2015	30.255
2016	33.659
2017	30.96
2018	33.02
2019	36.235
2020	36.723
2021	37.006
2022	37.268
2023	37.353
2024	37.352