Year	% of GDP
2013	30.565842337122078
2014	28.890133967678082
2015	30.845883378935124
2016	28.641207958401342
2017	27.986315486112872
2018	31.206232521733973
2019	29.659998739927545
2020	27.121087015560203
2021	29.600772371021183
2022	30.84224546638797