Year % of GDP 1980 0 1981 0 1982 0 1983 0 1984 0 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 4.74383447804891 2004 29.8599644670772 2005 32.6666259924004 2006 30.8512410137952 2007 28.9574096374403 2008 29.6642941556194 2009 14.6756159361222 2010 20.0317465897842 2011 24.3983730486377 2012 20.5311950776099 2013 15.7791942816497 2014 11.3679339086533 2015 6.2969962979888 2016 6.59687876223435 2017 10.2750096848343 2018 16.6121673665612 2019 15.5707595430138 2020 9.22817147863275 2021 16.7515661611417