Year % GDP 1960 0.14461701483593742 1961 0.9132198496320321 1962 0.6481262583827663 1963 1.0481568931371474 1964 1.1739231167533222 1965 1.689067004357718 1966 1.7282817039495684 1967 2.7414869656356107 1968 3.274278528199429 1969 4.283789584911841 1970 3.197681932930464 1971 0.9456338202936295 1972 1.5421322866795857 1973 1.3887721347788091 1974 -2.408214331657844 1975 0.35419895589231976 1976 1.2224650478396941 1977 3.902362101785728 1978 6.443701853869601 1979 5.523573929166288 1980 4.143392751666907 1981 4.878954236284659 1982 7.34854169491349 1983 8.543749627083992 1984 11.701046105761996 1985 11.804170834927262 1986 10.237511426405504 1991 15.56689487875675 1992 20.275496547429157 1993 16.224449507444582 1994 18.477893942856902 1995 14.635824133364602 1996 10.45138973670214 1997 5.293624894014277 1998 7.813033245838288 1999 8.756660387514222 2000 6.100428162054071 2001 8.326421780104319 2002 9.461088162852496 2003 7.713418972772061 2004 3.423064410190997 2005 -0.1642813117620853 2006 -2.484394550538437 2007 -4.1544037430147815 2008 -5.016254718675026 2009 -2.077740388032839 2010 -0.2854552422544379 2011 1.9531446309646918 2012 1.5126136735507274 2013 2.8466353354279166 2014 2.8768400761607156 2015 6.4075646621609685 2016 11.511013173433396 2017 13.952262869978673 2018 8.678986101255482 2019 7.866965498106732 2020 12.951924771537946 2021 9.579113486903646