Year % of GDP 1990 22.037924109396457 1991 -3.1284127545235756 2005 41.68639069656984 2006 43.21949863752864 2007 42.77877900760819 2008 45.362596206756876 2009 32.29122021270198 2010 37.370744341316566 2011 41.33065215329398 2012 39.94220897717913 2013 37.714066957933326 2014 33.72833560341488 2015 24.580368561222148 2016 24.18885909165509 2017 28.051777916256327 2018 31.371477756028018 2019 29.545981894832437 2020 22.762990955898733 2021 28.46677507100878