Year	% of GDP
2000	3.074940760808762
2001	3.053209188070568
2002	3.237373418501652
2003	3.366409860636382
2004	3.3351104951863544
2005	3.3453039084057847
2006	3.195573713873108
2007	3.23586411842121
2008	3.2326243777561507
2009	3.5130685489369187
2010	3.3919151319977825
2011	3.3059762506676056
2012	3.344590519554447
2013	3.446652845011878
2014	3.4984224246089837
2015	3.67360074816466
2016	3.780239680182835
2017	3.763484211489503
2018	3.7726189284409815
2019	3.9516995525871463
2020	4.967451444416296
2021	5.084112802475301