Year % of GDP 2003 0.06233000010252 2004 0.0531499981880188 2005 0.0423000007867813 2006 0.0424499996006489 2007 0.0452100001275539 2008 0.0490199998021126 2009 0.0733800008893013 2010 0.88400000333786 2011 0.890680015087128 2012 0.869899988174438 2013 0.807359993457794 2020 0.498019993305206 2021 0.445499986410141 2022 0.463349997997284