Year	% of GDP
2000	6.4505703963566186
2001	6.544705132536904
2002	6.39784419517285
2003	6.622995740022648
2004	6.708283418484413
2005	6.737090460573078
2006	6.7824091085289675
2007	6.908743479438066
2008	6.959799348490769
2009	7.501688427102852
2010	7.233380376824286
2011	7.130775773826683
2012	7.163491618826691
2013	7.305016719359055
2014	7.426093865952556
2015	7.763804352134365
2016	7.813816143215509
2017	8.033076187632945
2018	7.914821126047685
2019	7.922105758587626
2020	8.511082071878024
2021	8.305773307448998