Year % of GDP 1996 1.84092998504639 1997 1.8447699546814 1998 1.74205994606018 1999 1.82281994819641 2000 1.78980004787445 2001 1.79609000682831 2002 1.74542999267578 2003 1.78390002250671 2004 1.7890100479126 2005 1.77388000488281 2006 1.74066996574402 2007 1.67030000686646 2008 1.62268996238708 2009 1.66569995880127 2010 1.70404005050659 2011 1.8813099861145 2012 1.9162700176239 2013 2.15605998039246 2014 2.17330002784729 2015 2.1460599899292 2016 2.15081000328064 2017 2.17857003211975 2018 2.13879990577698 2019 2.18435001373291 2020 2.32182002067566 2021 2.30886006355286