Year % of GDP 1995 10.610968090569482 1996 8.30349590782732 1997 7.435488853946884 1998 3.9925893704807534 1999 2.5412990394996218 2000 4.239395467386874 2001 2.124792559732189 2002 2.255012052434826 2003 5.019557318700875 2004 2.1998425244005606 2005 5.621518808316763 2006 3.711389998122909 2007 3.9627175875685134 2008 4.626734006666862 2009 5.330402270803508 2010 5.380151543971535 2011 5.52396935486434 2012 5.487811615671247 2013 9.16057657184429 2014 8.44612915821075 2015 11.63974103112005 2016 13.252282881385835 2017 12.990637232479754 2018 14.02924328458401 2019 15.154716618657543 2020 15.906938675909549 2021 17.178630901629973 2022 15.542496922775284 2023 16.86978377782294