Year % of GDP 1961 29.44348762109795 1962 28.273565573770494 1963 33.90953307392995 1964 37.3839928057554 1965 32.64554794520548 1966 33.94486215538847 1967 32.76681957186544 1968 32.327160493827165 1969 34.667922159447585 1970 29.62536680474046 1971 31.709511629726038 1972 31.86191368463332 1973 28.230420183317783 1974 29.893919436704422 1975 31.00452232953483 1976 28.81507157367768 1977 31.968348670441998 1978 32.004786499694745 1979 35.867793183807116 1980 33.861973034689846 1981 32.49237936058455 1982 34.989591487472794 1983 37.63783806430523 1984 38.870430560116645 1985 39.69175203663694 1986 43.36712453096664 1987 44.22944088585325 1988 47.83060895948761 1989 49.30963238122554 1990 51.82614040488109 1991 54.783107741034755 1992 53.57051599322117 1993 52.32609230882872 1994 47.73902781872154 1995 48.71524010086879 1996 46.76273240254103 1997 43.68097469504006 1998 42.14478765401743 1999 40.82397246291583 2000 42.89834716674079 2001 44.38463264493321 2002 48.009713735645434 2003 49.77414595431761 2004 51.04082496352753 2005 54.36233127081741 2006 59.52664266779823 2007 63.287717147644294 2008 58.70138692330147 2009 60.473095572784985 2010 58.47429051100027 2011 57.78467081249534 2012 58.342735351301606 2013 61.87453345204857 2014 61.05749780903699 2015 64.16444759054879 2016 65.56861835078506 2017 66.35312824977743 2018 65.5944265899819 2019 65.6880812207124 2020 76.63356693438203 2021 88.99330520056438 2022 81.41856337706707 2023 85.16414659580629