Year Percent of GDP 1990 12.44 1991 13.816 1992 19.948 1993 18.482 1994 19.134 1995 21.749 1996 23.04 1997 24.631 1998 23.65 1999 18.706 2000 18.928 2001 19.56 2002 18.484 2003 20.727 2004 20.28 2005 18.53 2006 16.384 2007 17.194 2008 15.416 2009 13.545 2010 11.661 2011 5.501 2012 8.704 2013 8.106 2014 7.832 2015 1.642 2016 1.402 2017 2.084 2018 5.087 2019 6.1 2020 6.401 2021 6.36 2022 6.291 2023 6.235 2024 6.218