Year % of GDP 2005 7.171936526219236 2006 8.180185407437003 2007 7.6488868601181785 2008 12.284358798573686 2009 6.465248820833958 2010 6.903109339252548 2011 8.15471745166513 2012 9.016899359971598 2013 8.802311469420635 2014 8.428825283397483 2015 5.618781435448133 2016 6.727625417763433 2017 11.48518012304542 2018 14.393035968402984 2019 14.176604291233552 2020 11.762160133492493 2021 13.328682774993256 2022 20.625446699543083 2023 17.713885675908326