Year % of GDP 2010 13.391739392440952 2011 17.268523042398982 2012 13.676879232426142 2013 16.522845321208894 2014 11.79747392714471 2015 9.89027253365456 2016 10.551339079319403 2017 14.361829118389096 2018 12.072269600290783 2019 14.959180489322627 2020 10.972765154792583 2021 16.160193942500058 2022 14.817606445654679 2023 12.526818294590896