Year	% of GDP
2000	3.58244371
2001	3.11965823
2002	3.41633463
2003	2.81717443
2004	3.02092052
2005	3.17797899
2006	3.44210529
2007	3.27875233
2008	3.46781611
2009	3.98351336
2010	3.8858633
2011	3.66722965
2012	3.91343451
2013	4.02632999
2014	4.53783798
2015	4.51301289
2016	3.80462384
2017	3.92245984
2018	3.69565225
2019	4.31464434
2020	4.71282053
2021	5.12033176