Year Percent of GDP 1992 13.765 1993 4.889 1994 20.776 1995 16.839 1996 20.108 1997 25.63 1998 21.606 1999 21.262 2000 17.972 2001 19.234 2002 18.73 2003 22.044 2004 23.296 2005 22.656 2006 23.215 2007 22.608 2008 22.544 2009 20.06 2010 20.342 2011 19.963 2012 19.061 2013 20.375 2014 20.75 2015 24.544 2016 23.357 2017 24.961 2018 23.523 2019 22.679 2020 22.082 2021 21.632 2022 21.086 2023 20.869 2024 21.47