Year % of GDP 1980 3.76807999610901 1982 5.45739984512329 1983 5.76660013198853 1984 5.87390995025635 1985 5.76774978637695 1989 4.19987010955811 1990 3.65412998199463 1994 3.43180990219116 1995 3.55854988098145 1996 3.24876999855042 1997 3.3252100944519 1998 2.43892002105713 1999 2.75611996650696 2000 2.75565004348755 2001 3.06528997421265 2002 3.54300999641418 2003 3.13660001754761 2010 4.21199989318848 2011 3.8510000705719 2012 3.68199992179871 2013 3.77300000190735 2014 3.6159999370575 2015 4.45300006866455 2016 4.17199993133545 2017 3.52999997138977 2018 3.64000010490417 2019 3.54299998283386 2020 4.20677995681763 2021 3.00878000259399 2022 2.88000011444092