Year	% of GDP
1999	42.00919801409353
2000	52.78838513910813
2001	41.63336076359083
2002	26.620678253943208
2003	29.58056797146598
2004	27.31831194935278
2005	24.425016261414022
2006	46.10283618872041
2007	44.9866019752973
2008	42.66761076823706
2009	22.25074636820664
2010	34.994444697636915
2011	44.59228514927518
2012	36.225424234863944
2013	35.70586261284953
2014	30.884548514983567
2015	18.77664497223721
2016	15.720769375596822
2017	16.360591434082743
2018	21.98783462093184
2019	21.7916074354975