Year	% of GDP
2011	26.369139482221136
2012	27.24214168466723
2013	28.448532885751536
2014	29.798715884141274
2015	30.512536676100073
2016	29.930217158404325
2017	30.4179142203963
2018	31.00732985884747
2019	31.651534915169613
2020	35.43391654731435
2021	36.44489111131921