Year Percent of GDP 1992 31.704 1993 49.769 1994 53.847 1995 18.656 1996 18.905 1997 35.749 1998 9.762 1999 14.316 2000 5.684 2001 16.087 2002 24.495 2003 24.727 2004 19.59 2005 20.674 2006 10.097 2007 6.562 2008 7.246 2009 1.649 2010 3.21 2011 13.167 2012 12.169 2013 12.908 2014 12.516 2015 6.755 2016 6.003 2017 5.477 2018 5.601 2019 4.981 2020 4.842 2021 4.104 2022 3.857 2023 3.749 2024 3.817