Year	% of GDP
2000	17.8409546807596
2001	17.2522953084162
2002	23.8997704226428
2003	34.1776687503452
2004	19.7880546295418
2005	20.0544068144487
2006	17.6485875136497
2007	21.5770270088301
2008	21.7673829953965
2009	22.0777491215739
2010	18.3646624868945
2011	23.2729658968842
2012	26.7116015359801
2013	28.3711783328734
2014	26.1806367790867
2015	19.4462580281234
2016	20.1143619477823
2017	21.3240563239483
2018	14.0250297312743
2019	14.2604895547102
2020	17.4661654481066
2021	21.9156000871056