Year % of GDP 1960 43.120162632357754 1961 45.908833823085395 1962 48.49140389312587 1963 50.53841580233864 1964 48.30266300833844 1965 46.951219512195124 1966 46.34146341463415 1967 43.756762862816444 1968 43.89473684210527 1969 41.764176417641764 1970 39.44887599709935 1971 39.4273127753304 1972 39.37844217151849 1973 40.04131012097964 1974 40.322192834816065 1975 33.63792118789264 1976 35.45595054095827 1977 35.71334648257725 1978 33.663973821454135 1979 30.559712660879978 1980 29.907222121156995 1981 33.32220367278798 1982 34.43854361035357 1983 32.7526538865342 1984 31.547748362868937 1985 30.05257078196092 1986 29.72601169322481 1987 28.94681012274587 1988 26.937631829273336 1989 28.449919933049543 1990 31.826270675732204 1991 32.9313878869617 1992 34.71322946078487 1993 37.85698944625187 1994 45.36143546779074 1995 46.26401686721264 1996 44.78038275136675 1997 44.14441449601153 1998 46.104733748271094 1999 44.410734817478534 2000 42.74691052423055 2001 45.28806333207551 2002 47.59738232217573 2003 49.69706398119073 2004 47.954291875135695 2005 45.28381107277748 2006 47.84476419846477 2007 48.312226213274464 2008 51.76872671002044 2009 58.27322435296137 2010 54.73649720196336 2011 51.707924669827435 2012 55.58132841187049 2013 55.12379487881881 2014 53.034243968454675 2015 56.87590861483659 2016 54.124891189820815 2017 56.96806352917859 2018 58.436275925755595 2019 61.22292823856276 2020 65.91715825761838 2021 60.251254913965454 2022 56.429980433135086 2023 59.4211286827112