Year % of GDP 1995 0.403625878898592 1996 0.474760445855423 1997 0.3626472631518 1998 0.0917244271785271 1999 0.288928699417176 2000 0.630971359439616 2001 0.407483342326942 2002 0.356223054391995 2003 0.301237202501552 2004 0.332637436119168 2005 0.422317306157924 2006 0.419644384243852 2007 0.370493477014705 2008 0.441053907428522 2009 0.257276727386522 2010 0.283128862746704 2011 0.422234790549554 2012 0.424759009341811 2013 0.380362350794203 2014 0.332340412986531 2015 0.188549002176531 2016 0.152408109394096 2017 0.222493492276796 2018 0.320303857626588 2019 0.276145552955415 2020 0.141105225031332 2021 0.280358036189526