Year Percent of GDP 2000 23.749 2001 24.583 2002 19.8 2003 16.384 2004 17.579 2005 18.684 2006 23.928 2007 34.757 2008 41.177 2009 26.943 2010 21.77 2011 19.329 2012 20.586 2013 19.606 2014 20.221 2015 20.095 2016 26.095 2017 30.223 2018 33.901 2019 32.347 2020 27.564 2021 25.963 2022 25.528 2023 25.532 2024 25.511