Year % GDP 1960 36.47265491634173 1961 38.01172593194159 1962 40.62652516040233 1963 43.63798277630386 1964 44.95630039249604 1965 46.78143249627437 1966 46.72511429463459 1967 47.61803582056155 1968 48.231779670524034 1969 48.805115560326136 1970 52.109893722544264 1971 54.453028425850775 1972 59.817315833522606 1973 63.32866701253803 1974 62.56466459733803 1976 60.96490787052232 1977 62.89789051144111 1978 65.72833669044374 1981 64.02920404352118 1982 63.96874384708154 1983 65.76039956200168 1984 67.62410509444565 1985 69.67932324925762 1986 78.92683033460877 1987 85.15050956006847 1988 90.30005590102488 1989 91.3025395400122 1990 90.7069480893148 1991 90.09441421497073 1992 89.5503159830487 1993 91.39793530523389 1994 92.84024311674101 1995 94.05587837637889 1996 90.44735919956057 1997 90.94418682214877 1998 90.22468214045644 1999 92.01144595170766 2000 92.88266352260158 2001 79.92893037117526 2002 79.36625269143461 2003 80.86150132589164 2004 82.6650119642541 2005 85.7904564882046 2006 89.43397318832514 2007 93.5108762815428 2008 96.37864863982927 2009 93.77672768591297 2010 91.82462223510976 2011 90.71576982622238 2012 88.77364920001004 2013 87.43068121363109 2014 85.80590872222652 2015 83.87204641348191 2016 84.32235366747713 2017 82.9957160082659 2018 82.78451360254086 2019 82.71672054703775 2020 88.75891983183433 2021 84.97605653951484 2022 82.03392536761265 2023 78.2101136484299