Year	Percent of GDP (Units)
2001	63.803
2002	55.043
2003	47.198
2004	40.200
2005	35.758
2006	33.094
2007	29.648
2008	24.873
2009	19.667
2010	18.436
2011	18.607
2012	18.776
2013	22.908
2014	27.703
2015	35.971
2016	45.617
2017	46.953
2018	49.091
2019	51.656
2020	63.079
2021	61.578
2022	56.960
2023	54.666