Year % of GDP 1972 6.395818026330054 1973 6.887529339335872 1974 7.5751671680409 1975 8.238216291418707 1976 12.55715371182532 1977 10.615659320499963 1978 9.685124390589724 1979 8.864208275783778 1980 10.031078949809816 1981 11.58078545071165 1982 11.147340294044945 1983 11.821430448263177 1984 8.109196173532963 1985 7.8849222275517095 1986 3.724381124259342 1987 12.063798724464593 1988 4.916501816317097 1989 7.891238572139263 1990 12.187146681268734 1991 9.165703285342513 1992 8.36432321167402 1993 7.316966068271939 1994 2.795956480097801 1995 9.885645005395165 1996 7.865827252292726 1997 7.1173730899933005 1998 18.186456306991676 1999 10.23435496829114 2000 7.689316824486031 2001 7.394073801508649 2002 6.228798036911709 2003 7.126234217563231 2004 8.63073655192277 2005 5.609642586838283 2006 3.7949041068975617 2007 12.084814827853272 2008 7.454873593495841 2009 12.848338051909652 2010 9.581836937477235 2011 10.376872787753236 2012 7.9878135588394406 2013 -3.871096314784487 2014 3.672584816212844 2015 9.473458243957113 2016 9.800936812340703 2017 7.917029174764205 2018 8.81682789810427 2019 18.315268286458867 2020 15.270103266376168 2021 11.968238270914224 2022 2.1095121991256645