Year % of GDP 1961 28.208947871667593 1962 30.56694793341578 1963 33.1092616161362 1964 32.18069782168124 1965 30.679607918508555 1966 33.02964318389753 1967 33.6859649122807 1968 33.99341383095499 1969 33.93989958653278 1970 33.20156167284277 1971 34.48978665456196 1972 33.2192037470726 1973 37.01728480847738 1974 35.29545160873498 1975 38.350637418169285 1976 39.95085359544749 1977 39.966193713216846 1978 42.25882684488103 1979 41.73045859000685 1980 40.825420138398535 1981 42.6248438250841 1982 44.26409124968779 1983 43.66923660485877 1984 43.108181024265484 1985 45.05823347534303 1986 46.33260711692084 1987 47.44886936393165 1988 51.73730457474078 1989 53.95195987445125 1990 51.49613987074345 1991 48.98955839318968 1992 46.57611376205694 1993 46.20679942712951 1994 46.30101556868052 1995 45.7606176474038 1996 46.38900048777162 1997 44.912532580175565 1998 43.76275903735777 1999 47.4565472997303 2000 50.085188935019396 2001 54.96507064644495 2002 54.68426159601171 2003 53.27345343351181 2004 52.477254396168746 2005 54.11354483343603 2006 55.345748568797234 2007 57.57829772495061 2008 58.86893817577234 2009 62.58174266308038 2010 62.047134742382006 2011 66.37812198985787 2012 65.76384812417028 2013 65.27411047761488 2014 65.30295961834995 2015 65.42101318909782 2016 66.61258213332579 2017 69.66591139234302 2018 67.37393873738003 2019 68.68115915393311 2020 77.96163775033766 2021 77.40352701745361 2022 79.83509739528103 2023 79.85219656100483