Year Percent of GDP 1990 14.758 1991 19.223 1992 25.904 1993 15.644 1994 16.519 1995 9.398 1996 6.695 1997 6.79 1998 7.228 1999 7.596 2000 9.664 2001 9.099 2002 9.855 2003 13.312 2004 16.668 2005 17.874 2006 17.5 2007 16.741 2008 20.203 2009 14.959 2010 17.462 2011 15.906 2012 9.113 2013 9.563 2014 8.792 2015 8.41 2016 7.074 2017 7.22 2018 6.908 2019 6.353 2020 5.863 2021 5.532 2022 5.289 2023 5.13 2024 5.012