Year	% of GDP
1999	20.87937908068588
2001	22.83901206250913
2002	21.220164001235634
2003	22.500863117647743
2004	21.196656991427005
2005	22.261831612038364
2006	21.554412185259526
2007	21.79098485644775
2008	23.37455512613763
2009	23.210216297828083
2010	23.037275928876205
2011	25.429369684077923
2012	22.995046579825626
2013	24.51709657776079
2014	24.452730914257284
2015	23.48575374783582
2016	22.448269062841526
2017	23.873902735396353
2018	23.5529782388781
2019	24.418342068676434
2020	27.370804587854096
2021	26.019157110466733