Year	% of GDP
2008	26.608975428385328
2009	25.441621837232585
2010	24.15488133961914
2011	25.2019616988798
2012	27.11517203888052
2013	26.32302411239843
2014	23.38973480852642
2015	29.94314478913861
2016	25.959396923076923
2017	31.597220334261838
2018	23.69796607142857
2019	24.151444162436547
2020	27.863014247311828