Year Percent of GDP 1993 26.615 1994 27.515 1995 28.66 1996 29.118 1997 34.505 1998 33.867 1999 27.458 2000 28.842 2001 30.099 2002 33.124 2003 35.278 2004 34.539 2005 33.184 2006 39.346 2007 39.292 2008 30.719 2009 20.712 2010 21.275 2011 25.107 2012 29.091 2013 26.907 2014 26.799 2015 24.933 2016 25.061 2017 26.059 2018 26.99 2019 26.324 2020 27.027 2021 27.824 2022 28.767 2023 29.742 2024 30.742