Year % GDP 1978 5.873195876288659 1979 10.029770992366412 1980 11.42711288258969 1981 12.68779212482526 1982 11.98433194662696 1983 9.876904356720168 1984 12.919152717709823 1985 19.21430256860344 1986 20.080106268652415 1987 17.779514400607418 1988 19.103389459343862 1989 24.003609620465056 1990 15.74297156774856 1991 12.828235652173209 1992 9.901236442257428 1993 9.644631980983396 1994 8.765267586648815 1995 8.330161314512953 1996 7.787047745827142 1997 7.974981436212998 1998 8.729392684212009 1999 8.843385666001971 2000 9.936671749002505 2001 8.217897824538028 2002 8.430118296955357 2003 7.707942583732058 2004 7.4847412144223355 2005 9.973961085755464 2006 14.02038962997658 2007 18.980707408277574 2008 21.21455659467997 2009 18.86093422851683 2010 16.1035739605136 2011 15.025179516821453 2012 14.581627145167767 2013 15.585415197392944 2014 17.290321916489855 2015 19.2001627231276 2016 20.326021039910984 2017 20.458625503243393 2018 19.217769445711482 2019 19.80628545458667 2020 20.834646340492988 2021 21.415738346281547 2022 20.671704974206424 2023 20.22272519541828