Year % of GDP 1970 56.312858924500794 1971 54.04387250237869 1972 51.05984331797235 1973 61.26628181253879 1974 33.95211191821361 1975 35.70501730103806 1976 27.019885968571828 1977 41.596638655462186 1978 50.14836795252226 1979 45.997517840521255 1980 39.3718203937182 1981 40.981419723677945 1982 43.05660694759862 1983 47.03242281204055 1984 48.142912222079424 1985 52.715761412862385 1986 73.14838381267498 1987 76.16343907727698 1988 67.58602566512404 1989 69.09771621115686 1990 63.143280266567935 1991 58.754002936620566 1992 65.11609882047749 1993 63.680568681246896 1994 55.013516329629134 1995 53.04581447963801 1996 50.39110134578413 1997 44.45611270142485 1998 62.07323251417769 1999 54.56704980842911 2000 41.735519095393826 2001 52.06516503815681 2002 53.77922676873605 2003 53.51612028485507 2004 50.154483235274306 2005 42.567722023677696 2006 43.460579953078565 2007 43.19657594070296 2008 39.50955114472337 2009 51.17999969457572 2010 44.12956416669304 2011 40.36724351724461 2012 43.4759761016321 2013 46.73962935721054 2014 49.33949562270543 2015 52.654808156421076 2016 55.08042543840435 2017 53.20144896359499 2018 49.180212286878636 2019 48.667146423044635 2020 55.151046305609995 2021 44.2542422891966 2022 39.65439466571414 2023 43.90494283133777