Year	% of GDP
1998	11.991675820809037
1999	14.236103818463999
2000	15.02003274911903
2001	22.970016544469292
2002	20.222374580078757
2003	17.34459904468265
2004	19.617756627889133
2005	20.47557490815077
2006	22.529529890517995
2007	20.5422722530016
2008	22.75157072734642
2009	25.853302139234913
2010	24.14581156032767
2011	24.88987262310082
2012	22.902205399288793
2013	22.995812824906235
2014	22.769717516948305
2015	22.763294090998944
2016	23.20790376862447
2017	24.843989900009326
2018	24.727093849739727
2019	24.75936660424372
2020	33.94460697904073
2021	29.507484383575605