Year	% of GDP
2003	1.35636795
2004	2.72581053
2005	2.02030635
2006	1.53326082
2007	2.03766322
2008	2.37276387
2009	2.89204693
2010	2.38097811
2011	2.08112431
2012	1.00896454
2013	1.1463443
2014	1.03747606
2015	0.73074311
2016	2.54514194
2017	1.68000054
2018	2.02778339
2019	2.10075927
2020	2.78080106
2021	2.58909702