Year	% of GDP
2000	6.407762473767588
2001	6.507905277130318
2002	6.358900859765085
2003	6.600848726170209
2004	6.702676876025008
2005	6.78946144994724
2006	6.859757371631826
2007	7.022559225647467
2008	7.0499612243214544
2009	7.602536339213104
2010	7.304451118165944
2011	7.207730969062647
2012	7.210131148583629
2013	7.352686781496816
2014	7.488890312723911
2015	7.846186780069182
2016	7.8701231239269775
2017	8.051986084177772
2018	7.897880357149238
2019	7.892297961476176
2020	8.511465925572562
2021	8.214073213656139
