Year	% of GDP
1996	33.42734066255059
1997	33.21008023491713
1998	32.35447096836944
1999	30.651830649459207
2000	31.03085422740032
2001	29.722942026635845
2002	28.50441092985172
2003	28.71587680628308
2004	29.315884376402725
2005	29.51487697889666
2006	29.815932177796473
2007	30.343379938352932
2008	28.64210740702424
2009	25.3311155031213
2010	26.377322723445886
2011	25.58057140852659
2012	24.895748835137983
2013	25.252523131586447
2014	25.772088625781432
2015	28.178915820503512
2016	28.727223241371885
2017	29.289667171355404
2018	29.125467458636205
2019	29.17170189864339
2020	28.16766715192978
2021	29.550450386397298
2022	28.44701693400272