Year	% of GDP
2000	4.428835073384288
2001	4.770493170893369
2002	4.654604997989741
2003	4.50071000752677
2004	4.278466279127966
2005	4.0431343086702904
2006	3.951698397630106
2007	3.995520202342516
2008	3.8810064549102767
2009	4.829551894580815
2010	4.579257507571599
2011	4.46873575547598
2012	4.5276257845671015
2013	4.566982471340446
2014	4.964691146068392
2015	5.5263604058430795
2016	5.872899916750229
2017	5.802620878638694
2018	5.4242393011221495
2019	5.352068045571899
2020	6.0404208264847945
2021	5.7632966964840735