Year % GDP 1960 12.511643557639282 1961 11.76158996644313 1962 12.71845023625254 1963 11.062546745931876 1964 10.409587038460316 1965 9.887237709620043 1966 9.956480266943615 1967 10.839938518192332 1968 12.662770502443834 1969 11.488253264073617 1970 10.553794791773011 1971 12.175887246243816 1972 11.746920985086609 1973 11.822442279902285 1974 10.058040392411662 1975 11.504183957257164 1976 12.763373603067423 1977 13.149187723454938 1978 14.675096567635137 1979 15.190807750684254 1980 14.991655263591564 1981 15.877846152053927 1982 16.328970192142187 1983 18.51090127106231 1984 20.336422978665446 1985 17.70018218961851 1986 15.886858519827884 1987 14.823703703817422 1988 10.341156387411877 1989 9.218084586368146 1990 9.267321881086383 1991 9.16282287865683 1992 9.825255379984707 1993 15.245535041086999 1994 20.571538638138588 1995 22.086599729402813 1996 22.209125880678343 1997 23.9723633348832 1998 21.970730609328598 1999 22.420520028825415 2000 27.210630959372097 2001 25.35720275236082 2002 18.991969718131717 2003 17.47922262624556 2004 19.9142507587808 2005 21.307858126730483 2006 21.652998477022553 2007 22.592854681839906 2008 22.798688466845245 2009 23.13183772527548 2010 25.06899069569135 2011 25.433826057538234 2012 26.19571907910736 2013 26.13614114040446 2014 26.897949151828556 2015 27.82334751897545 2016 29.433211870660276 2017 32.238095420425836 2018 36.01214060943387 2019 40.110990554289984 2020 46.28833442242896 2021 47.38004910424946 2022 50.15203025609086 2023 53.749389224651644