Year	% of GDP
2005	23.3817681941858
2006	24.651353731193087
2007	20.71172366654016
2008	21.218965162288267
2009	18.67948473971128
2010	18.276228897933052
2011	19.342742881157136
2012	18.147911407654174
2013	18.731111444708066
2014	17.840623426226145
2015	20.932413495574806
2016	19.79214398956194
2017	20.667596458706182
2018	22.80523812908918
2019	21.648013448798523
2020	21.56702957354244