Year	% of GDP
2000	4.992208667394749
2001	5.026828695498961
2002	4.587362407894615
2003	5.495679529355802
2004	5.479192446219813
2005	5.29219990088254
2006	5.201082092486051
2007	5.099299188035609
2008	4.891353889658799
2009	5.287127147199776
2010	5.212254658508281
2011	5.154718470050524
2012	4.986013043784348
2013	4.965664429142172
2014	4.750168950013907
2015	4.97392241046586
2016	5.041970789670983
2017	5.044627777481185
2018	4.77488819304456
2019	4.734062229430405
2020	4.936455611550369
2021	5.10362475159997