Year	% of GDP
2000	4.992208667394749
2001	5.026828695498961
2002	4.587362407894617
2003	5.495679529355802
2004	5.479192446219815
2005	5.292199900882538
2006	5.201082092486051
2007	5.09929918803561
2008	4.891353889658798
2009	5.287127147199776
2010	5.212254658508281
2011	5.154718470050524
2012	4.986013043784347
2013	4.965664429142174
2014	4.750168950013907
2015	4.973922410465861
2016	5.041970789670982
2017	5.044627777481184
2018	4.774888193044558
2019	4.734062229430403
2020	4.936455611550367
2021	5.10362475159997