Year	% of GDP
2001	4.26485729
2002	4.03321981
2003	3.63807321
2004	3.74707913
2005	3.81809044
2006	3.87701797
2007	4.07534981
2008	4.34516525
2009	5
2010	5.35588455
2011	7.16314268
2012	7.96990728
2013	7.33665133
2014	7.30673313
2015	7.28606033
2016	7.38052702
2017	7.23664856
2018	7.35798597
2019	7.23374033
2020	7.61165524
2021	7.02974606