Year % GDP 1960 11.63680482605407 1961 11.844848261440186 1962 12.041971394298939 1963 12.085193167936819 1964 11.702973216093179 1965 12.46663168645295 1966 11.647434191167335 1967 11.532654179736076 1968 11.76954539166585 1969 11.605677163512537 1970 11.50295360778761 1971 12.918890594856215 1972 13.183712884811609 1973 11.70974438449621 1974 8.851270736574914 1975 10.18160442430021 1976 10.908850357736846 1977 11.82158061305368 1978 13.36073483051416 1979 13.589179247953796 1980 14.166797743282004 1981 12.592732127918305 1982 15.031810340940826 1983 16.282218665670737 1984 17.103180312779006 1985 17.464677305653765 1986 18.779377814391662 1987 19.12085206182965 1988 18.911228338299686 1989 19.205438199659824 1990 19.024049888733312 1991 17.923458058847874 1992 17.768993638884837 1993 18.913743302448058 1994 18.49953357490395 1995 16.454780769362575 1996 15.192282009447416 1997 14.216531854051441 1998 14.770325298408263 1999 16.701890773829042 2000 16.413243533452004 2001 18.196603656640157 2002 19.00067077293993 2003 18.559029218838536 2004 16.76286210200944 2005 14.619109613884378 2006 12.698917860851479 2007 11.901873363475834 2008 12.84129095379032 2009 16.38407187632229 2010 16.695550312418085 2011 18.19779151857395 2012 18.185193614513512 2013 18.356001316647806 2014 18.128948440205086 2015 19.76274825098089 2016 21.864058401831493 2017 19.758790483656366 2018 18.603453488970196 2019 19.729211396452072 2020 24.02297632756014 2021 23.242810220174583