Year	% of GDP
2000	3.03455424
2001	3.23656988
2002	3.07289648
2003	2.87985444
2004	2.56182718
2005	2.47836328
2006	2.64139128
2007	2.5073967
2008	1.88940501
2009	2.78823733
2010	2.25921559
2011	2.46959376
2012	2.7229948
2013	3.07811379
2014	3.68119764
2015	4.01395226
2016	4.34351063
2017	4.33328104
2018	3.75438356
2019	4.03419256
2020	5.2034235
2021	4.59467316