Year Percent of GDP 1993 27.054 1994 23.112 1995 26.414 1996 35.921 1997 35.997 1998 35.096 1999 29.304 2000 27.596 2001 31.356 2002 30.724 2003 25.784 2004 27.381 2005 29.713 2006 28.843 2007 28.483 2008 28.659 2009 21.124 2010 24.013 2011 24.966 2012 20.935 2013 20.983 2014 21.986 2015 24.539 2016 22.981 2017 22.549 2018 23.674 2019 23.147 2020 22.925 2021 23.569 2022 24.123 2023 24.888 2024 24.958