Year	% of GDP
2000	17.8350965177307
2001	17.2395800812434
2002	23.8880090830016
2003	34.1741484800942
2004	19.7725867665806
2005	20.0488562160195
2006	17.6442018959285
2007	21.4360664933649
2008	21.4723570976293
2009	21.7927736606451
2010	17.9510944458158
2011	17.4676272397432
2012	17.8845884314922
2013	16.6884841167255
2014	18.4789387903565
2015	19.1299777213272
2016	19.592202926753
2017	20.0292148785597
2018	14.0250297312743
2019	14.2604895547102
2020	17.4661654481066
2021	16.4804415866455