Year Percent of GDP 1985 0 1986 0 1987 0 1988 0 1989 0 1990 0 1991 0 1992 0 1993 0 1994 0 1995 0 1996 0 1997 0 1998 0 1999 0 2000 0 2001 0 2002 0 2003 0 2004 0 2005 0 2006 0.593 2007 0.684 2008 0.939 2009 1.11 2010 1.113 2011 2.129 2012 2.101 2013 2.209 2014 3.231 2015 2.953 2016 3.005 2017 2.825 2018 2.491 2019 2.633 2020 2.482 2021 2.331 2022 2.212 2023 2.145 2024 2.144