Year	% of GDP
2000	5.333384226083811
2001	5.24376219562504
2002	5.290425761749291
2003	5.202088438069808
2004	5.102254702915101
2005	5.080448457799993
2006	5.0022426024496776
2007	4.911294130727765
2008	5.021517261390612
2009	5.464640772461291
2010	5.237592592923132
2011	5.158493339241761
2012	5.191283356401559
2013	5.302094765846807
2014	5.39682962318117
2015	5.459331382338238
2016	5.544397034012809
2017	5.643109190510166
2018	5.623444340691884
2019	5.780103778042993
2020	6.1381421923381625
2021	5.9688393141727065