Year	% of GDP
1960	38.91616543308296
2011	66.92222843956979
2012	65.60489953852995
2013	63.60418231549244
2014	62.167225899248635
2015	58.199817528352185
2016	55.5177848224411
2017	55.30718156668664
2018	57.57898411990285
2019	55.53977553116012
2020	52.38303411533963
2021	57.04248584955582
2022	61.04672992565222
