Year % GDP 1961 1.97194146852764 1962 2.447501829606205 1963 1.9836749693774123 1964 3.1587047145692524 1965 7.872556498040893 1966 8.0709392077509 1967 8.680811540088277 1968 9.223275810057967 1969 9.620491453735227 1970 9.175328825846313 1971 6.469352869412289 1972 3.766135907806626 1973 2.4523715855314103 1974 -6.832576966874937 1975 -11.679995616444145 1976 -13.741599952542703 1977 -12.179164717600518 1978 -4.658432702684979 1979 -2.9769059773553974 1980 -7.787114249246417 1981 -16.95866684136495 1982 -17.263267261412555 1983 -14.700068410513008 1984 -9.153782361763641 1985 -5.034949563975016 1986 5.238653465225177 1987 10.827524401200009 1988 12.115580684397939 1989 15.612052295486103 1990 15.782251725919805 1991 16.495717001434024 1992 15.972984255492753 1993 18.98829944251445 1994 18.092010167367906 1995 14.667456154668342 1996 12.106696745163596 1997 11.914623845378019 1998 13.92471735666662 1999 13.835853849185822 2000 11.284298909578538 2001 12.077468987425293 2002 12.237380998919754 2003 11.392285612590687 2004 6.2796545944223165 2005 -1.2192175199101758 2006 -3.947114697031288 2007 -7.763850191390294 2008 -14.503666399484638 2009 -11.10584992918833 2010 -9.569863175872426 2011 -7.837594155606272 2012 -10.611523935214876 2013 -9.24836981805738 2014 -5.784197667327316 2015 2.582753446740006 2016 9.714535148217351 2017 10.49894415449533 2018 15.836854486473374 2020 24.611055051610357 2021 23.248192747381943