Year	% of GDP
2000	5.0130831173584225
2001	5.035921441966222
2002	4.891096933621453
2003	4.971479971888239
2004	4.943173614228115
2005	4.950409470493455
2006	4.886240292098442
2007	4.803040837393691
2008	4.833348286254981
2009	5.149479694678163
2010	4.98838350758198
2011	4.9847381866524385
2012	5.032085962258753
2013	5.110146334556338
2014	5.14091112570666
2015	5.240018750818329
2016	5.252118114712458
2017	5.259151793042828
2018	5.2011610048977515
2019	5.258620356532631
2020	5.535648081794923
2021	5.437627642073271
