Year % GDP 1960 10.108443947273328 1961 9.650696397836592 1962 7.997082160659436 1963 5.281016156151531 1964 4.573444522207194 1965 4.191513655582341 1966 4.5685087911082265 1967 4.662580100052175 1968 4.573803386642263 1969 5.309850986530924 1970 5.2140413265762104 1971 5.138340042020164 1972 6.416953021402259 1973 8.39608759863114 1974 9.220882520117206 1975 13.776697005315036 1976 12.48693530507393 1977 12.075748287618204 1978 13.458741834156179 1979 11.143385596945413 1980 8.988861027853973 1981 19.06209625172718 1982 14.001490860030625 1983 21.852224827382383 1984 23.578092360546297 1985 20.858475244688858 1986 24.888670494527304 1987 25.762191935206125 1988 32.45432263907609 1989 31.808279154853714 1990 30.433720219914477 1991 28.42445162008685 1992 28.756524473325644 1993 32.22728246892414 1994 32.409952844386474 1995 32.53464419475656 1996 23.68472906403941 1997 22.01922397342568 1998 24.562862972845707 1999 23.949418674337767 2000 20.46729925517804 2001 19.614825581395348 2002 17.206673842841766 2003 12.784057108863772 2004 10.339998606563087 2005 7.384389330233159 2006 6.007618627760233 2007 6.153676012642387 2008 7.299144171316543 2009 11.178265569572426 2010 9.26018623627628 2011 14.181919472921065 2012 9.338085155950228 2013 13.736936906851563 2014 19.318718861599958 2015 21.51997871869292 2016 18.88292583023278 2017 14.789628314384643 2018 12.84654233469375 2019 14.05512217806731 2020 15.573577533993301 2021 8.135670629511289 2022 8.286540020784162 2023 10.653832270206467