Year	% of GDP
2000	9.280763142313166
2001	11.559481434009466
2002	10.401491377605666
2003	8.758529078329783
2004	8.729936764238227
2005	8.192093197002304
2006	7.765014202889066
2007	5.101839704171762
2008	5.132128950431343
2009	4.5319026843373456
2010	4.552764880371445
2011	4.971665787077296
2012	4.076314240209815
2013	4.0430563027716735
2014	3.880018114925669
2015	4.088699120429759
2016	3.7355366215915136
2017	3.847208630847777
2018	3.9836118658497623
2019	3.7180675041615188
2020	4.110352921107438
2021	3.8529067735245754
2022	3.907297378232139