Year % of GDP 1985 0 1986 0 1987 0 1988 0 1989 0 1990 0 1992 0 2006 14.25969839862681 2007 14.543065506003893 2008 15.783650064959668 2009 34.239279556333386 2010 19.728381404195023 2011 19.125305298324665 2012 19.90126988167641 2013 14.539600635210114 2014 15.800014236386998 2015 24.13159525131053 2016 22.381154507686457 2017 16.76778071349861 2018 12.649653512588038 2019 14.240491266048364 2020 20.89747659134221 2021 20.868825674975632 2022 20.24131402278967 2023 21.87930666032632