Year % of GDP 1980 44.950225374242784 1981 43.333472268231056 1982 38.93824628432647 1983 39.830956959801505 1984 50.68027350477625 1985 39.3393099226123 1986 45.05277102709439 1987 49.073130648637814 1988 50.321753595959876 1989 46.843436499987796 1990 40.91135266956451 1991 36.07093597106532 1992 41.13345389085584 1993 38.59464405435957 1994 41.632466484647075 1995 40.324593734242896 1996 41.856232013709544 1997 43.89797389347502 1998 43.28339932489428 1999 44.19837931315917 2000 42.99816761242406 2001 42.026886369464 2002 43.75715303043053 2003 44.7365546572543 2004 42.46489418546321 2005 45.92091778778188 2006 52.00696746573568 2007 50.78767009239085 2008 54.04277113218987 2009 45.6210616549063 2010 50.91394051201312 2011 57.11950883697605 2012 59.8755565072739 2013 56.396115373455636 2014 55.83477358118783 2015 51.52884275412561 2016 47.286395222954454 2017 49.79560969812306 2018 51.580071030533226 2019 51.89676947185855 2020 37.62917626477582 2021 47.66058995442155 2022 52.37495587002008 2023 53.6187719030931