Year Percent of GDP 1993 14.543 1994 12.682 1995 12.142 1996 11.198 1997 12.288 1998 15.152 1999 16.21 2000 17.712 2001 21.037 2002 16.714 2003 17.154 2004 14.557 2005 13.162 2006 14.245 2007 15.675 2008 14.188 2009 10.374 2010 13.829 2011 14.218 2012 14.55 2013 14.835 2014 14.002 2015 19.197 2016 25.967 2017 29.156 2018 34.859 2019 41.113 2020 43.061 2021 42.637 2022 42.793 2023 43.228 2024 43.569