Year	% of GDP
1998	22.118956596917343
1999	23.662132960467776
2000	30.817566314227417
2001	26.12072447109261
2002	23.293100879153627
2003	31.4079823736899
2004	20.23477722293191
2005	22.016488202406897
2006	28.673106253177426
2007	32.14664373394906
2008	26.166523551052883
2009	17.538529031838753
2010	19.520824754845894
2011	16.25782376640947
2012	26.25769052953519
2013	21.595790449084955
2014	21.758138283562012
2015	23.9677773286366
2016	22.163669197706223
2017	23.459877013772424
2018	29.711246200607906
2019	27.613574290920944
2020	28.458633228370072
2021	28.54289419403128
2022	31.3878302063007