Year % of GDP 1980 40.75158866272443 1981 35.64302525149442 1982 31.617938943050245 1983 30.334555606077185 1984 33.275908100942615 1985 32.433569568552045 1986 29.49053990429038 1987 33.22274942725787 1988 34.55849147408363 1989 33.27276351551175 1990 36.2428993936972 1991 36.547521191888585 1992 43.18709562209942 1993 28.738372269580807 1994 48.782905428142975 1995 43.270853705818205 1996 33.28740625597455 1997 34.00600669020184 1998 37.13284812898147 1999 43.56777644875499 2000 35.90420046284669 2001 39.831727330369574 2002 21.877887649518268 2003 28.41669965492148 2004 27.951699736897762 2005 31.74567581523751 2006 34.013490047340206 2007 35.01668560274039 2008 37.61807779883434 2009 36.55983314600997 2010 32.3251933866242 2011 33.1469146094847 2012 44.80689572747537 2013 50.25168219088233 2014 47.39058546224707 2015 36.24935503371054 2016 41.41661711489084 2017 37.90443835642447 2018 35.66557669079622 2019 34.223124552283366 2020 28.643205447717335 2021 32.44595266814558 2022 18.934520665842296 2023 17.32420415832964