Year % of GDP 1985 0 1986 0 1987 0 1988 0 1989 0 1990 0 2002 30.493173125333456 2003 30.451111412102875 2004 30.89367550141774 2005 27.556579790165692 2006 23.300770922441696 2007 25.730579355956003 2008 30.804053314643976 2009 42.82085316282436 2010 28.197317692011755 2011 26.42435316755392 2012 26.667577372504592 2013 26.142970475795234 2014 27.500459198879295 2015 34.20249082976118 2016 27.21470926879347 2017 24.13030586464634 2018 17.869420567758173 2019 17.71225524043857 2020 26.49040049846106 2021 26.437361882619705 2022 26.256018224438005 2023 26.612997679155036