Year	% of GDP
2008	19.180215070238667
2009	19.381719382990347
2010	19.17220013645631
2011	20.759398149769048
2012	21.719944522422285
2013	22.33537630745494
2014	24.208613323161277
2015	24.78019321688084
2016	24.704903626041013
2017	26.402105131140345
2018	26.840718674664537
2019	24.525577350510268
2020	24.01302050239309