Year % GDP 1960 22.764373286019364 1961 23.47802267969796 1962 22.414536564961598 1963 21.446105532222642 1964 20.644196404528657 1965 19.32783951997407 1966 17.895185988945723 1967 18.3752482829142 1968 17.695366437014577 1969 15.589736702302671 1970 15.87809805570545 1971 15.146591231874366 1972 14.158837933846769 1973 12.791320374045748 1974 12.02061723975744 1975 13.806115306259963 1976 14.745134166931196 1977 14.031292341273566 1978 12.730426909288978 1979 12.147543432436047 1980 12.832695467279887 1981 13.366491775071834 1982 16.007213965943333 1983 17.73729970866294 1984 18.445402732654816 1985 19.76554521038733 1986 21.956091692101182 1987 22.220042208411446 1988 20.82338557986196 1989 20.68038390829639 1990 21.348507793530754 1991 24.14770929320616 1992 26.237628545245048 1993 26.971790716726296 1994 26.31584849986679 1995 26.310159838538905 1996 24.296076659662102 1997 23.661330690128786 1998 22.556525530459513 1999 20.491554597709396 2000 19.681637299645857 2001 19.666631067329796 2002 21.01531674810921 2003 20.448934423385428 2004 19.351457605444406 2005 18.660868498341955 2006 18.573962067032205 2007 18.122509305991507 2008 17.817723383684324 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 60.87229065508645 2022 51.836601910089094 2023 51.38584197959902