Year % GDP 1960 23.855114902852307 1961 24.57200479447165 1962 23.419113591620683 1963 22.45005574651342 1964 21.64483875510492 1965 20.2550229393201 1966 18.700845493352894 1967 18.85879731706642 1968 18.115876518918345 1969 16.01522376671067 1970 16.272571678267926 1971 15.539940764905353 1972 14.54573883403304 1973 13.138919134319647 1974 12.525991057717137 1975 14.505099400321916 1976 15.596462497304383 1977 14.684752712282389 1978 13.216283898742939 1979 12.434053848522437 1980 13.249888793888791 1981 13.996141614653506 1982 16.852498767117183 1983 18.584175509447068 1984 19.282680137992422 1985 20.73748225100882 1986 22.980628788651313 1987 23.42269085921015 1988 21.968807804083614 1989 21.877966810716146 1990 22.571482426049077 1991 25.378617433964113 1992 27.378856919292545 1993 27.888598756677606 1994 27.07532732575149 1995 27.078900105225973 1996 24.933129958893225 1997 24.389184699783808 1998 23.163713887194234 1999 21.024014522843117 2000 20.15951298962282 2001 19.766533395330946 2002 21.24363210427191 2003 20.69284446026492 2004 19.55016277720804 2005 18.821612746242888 2006 18.624172975336258 2007 18.844779074136593 2008 18.071077478624446 2009 22.191351854303548 2010 24.06581175855532 2011 32.77711972316133 2012 33.21623095088166 2013 34.14054085444522 2014 35.56957662949819 2015 35.21792708922609 2016 37.958497268722596 2017 39.18362553240096 2018 38.796610924317875 2019 41.01739003225748 2020 51.59306702432731 2021 60.872290655086445 2022 51.8366019100891 2023 51.38584197959902