Year	% of GDP
1999	60.97644930313856
2000	43.72978742732558
2008	13.229954209598322
2009	23.99003423290625
2010	28.866636622835394
2011	26.480820173468583
2012	32.445911715199
2013	35.631399586380915
2014	63.665319188488354
2015	70.25883762189822
2016	71.80954544940045
2017	66.7346465062875
2018	56.90595067497083
2019	48.32726960035683
2020	58.716185073232616