Year % of GDP 1971 3.07986998558044 1972 3.36388993263245 1982 2.98497009277344 1983 3.4968900680542 1984 3.24637007713318 1986 2.84834003448486 1987 2.93091011047363 1988 2.71473002433777 1989 2.64896011352539 1990 3.28710007667542 1991 3.22023010253906 1992 2.75099992752075 2000 1.70284998416901 2001 2.29733991622925 2003 2.82259011268616 2004 2.79530000686646 2005 2.65651988983154 2006 2.53991007804871 2007 2.87815999984741 2008 2.49827003479004 2009 2.90790009498596 2010 2.84803009033203 2011 2.65336990356445 2012 2.60306000709534 2013 2.6554799079895 2014 2.58396005630493 2015 2.65791988372803 2016 2.56234002113342 2017 3.05962991714478 2018 3.03096008300781 2019 3.04699993133545 2020 3.10400009155273 2021 2.82800006866455 2022 2.61800003051758