Year	% of GDP
1998	56.74663052260167
1999	66.45590596885286
2000	61.57245826471082
2001	61.33398316076891
2002	52.88148257556669
2003	47.39991862527315
2004	40.17672065032322
2005	31.137940040716977
2006	27.73789184970813
2007	24.122912842450198
2008	17.967632429420714
2009	20.160009095199175
2010	20.58913652713048
2011	19.481717868219235
2012	21.796216847758405
2013	22.053939323595078
2014	32.50248539211202
2015	30.851548953367764
2016	35.544110542695485
2017	32.235054135122525
2018	28.699153612223256
2019	26.936170662194257
2020	32.26059231524305
2021	32.895921559377385
2022	30.298957309649516