Year % GDP 1980 11.977768421877826 1981 13.805780817326962 1982 12.598454396046954 1983 14.993784490036044 1984 14.901609486269288 1985 18.89342260245724 1986 18.45125192722747 1987 20.867783874142702 1988 14.551638416680312 1989 17.23700851707596 1990 20.74168753305186 1991 21.73594108112831 1992 24.11439243402972 1993 19.01868050471083 1994 22.721227510809772 1995 27.592353395702606 1996 26.926469498113352 1997 32.22177991814658 1998 32.16727997500075 1999 41.3394062881171 2000 40.13151885374504 2001 31.05413425986172 2002 33.95229421731671 2003 35.64025858382839 2004 37.83950902847007 2005 39.10080950025294 2006 44.8559642439518 2007 41.778450448658674 2008 47.7156988322521 2009 53.12623428987025 2010 56.47074340593426 2011 59.93140926380165 2012 58.56562339418073 2013 58.54032969407049 2014 57.650748120597726 2015 56.41116702983916 2016 55.10423700576796 2017 55.42405954259107 2018 53.660705536292205 2019 51.63855911683052 2020 68.45603244707286 2021 67.5616449738555 2022 56.491426798855734 2023 54.44105206619644