Year % GDP 1972 4.703835227272727 1973 11.134592680047225 1974 11.580650835532103 1975 11.86840815636677 1976 13.593011421463306 1977 17.649132060716934 1978 20.959215957821876 1979 17.26110895696006 1980 13.70635496829776 1981 13.351971708532218 1982 14.45393521675729 1983 17.114420858951817 1984 18.591913091995142 1985 19.536995270030825 1986 24.11084018619437 1987 22.923753843102944 1988 23.719677469375096 1989 22.863414363414364 1990 20.61221037637161 1991 21.44147862777472 1992 21.51114267215272 1993 22.65022066783246 1994 24.70770841302116 1995 25.57969512539805 1996 26.639701751698077 1997 35.64916659824288 1998 47.62478121455598 1999 46.43160057187137 2000 37.46007244338815 2001 40.13011013793253 2002 38.89957270792378 2003 36.78800005885917 2004 34.22509566516618 2005 30.649820871443524 2006 30.730109708556373 2007 35.55097524084484 2008 35.12364652770449 2009 46.696867511989495 2010 38.21191088035214 2011 36.103045640953354 2012 36.82016903956416 2013 37.81017636291078 2014 40.996436379857926 2015 58.172112756614226 2016 66.67023304254509 2017 65.94876211506173 2018 61.072175889608914 2019 65.13533649739807 2020 76.58948598326997 2021 67.51510884572997 2022 53.44731275402816 2023 58.63844879472212