Year % of GDP 1991 2.01639008522034 1992 2.00631999969482 1993 2.08843994140625 1999 2.36141991615295 2000 2.59340000152588 2001 2.08190989494324 2002 2.59386992454529 2003 2.37102007865906 2004 2.21000003814697 2005 1.84906005859375 2008 1.58112001419067 2009 2.20725011825562 2010 2.55118989944458 2011 2.28742003440857 2012 1.83370995521545 2013 2.63421010971069 2014 2.42281007766724 2015 2.51713991165161 2016 2.54450011253357 2017 2.3203399181366 2018 2.38432002067566 2019 1.85812997817993 2020 2.43267011642456 2021 2.04099988937378 2022 1.98599994182587