Year % of GDP 1982 31.73136816730238 1983 31.869321692604316 1984 33.151298974546194 1985 33.28785058349784 1986 33.150413609941836 1987 35.34586344705051 1988 36.09795903126491 1989 34.57416988473719 1990 34.99011755115487 1991 36.48557035547876 1992 38.398319208853586 1993 39.80623847307807 1994 39.930274886091624 1995 37.95311642388796 1996 37.09001203367112 1997 37.95810770022432 1998 36.57758156358666 1999 34.61162922027362 2000 34.74419713940248 2001 35.92986407466558 2002 37.04342028647978 2003 39.8793959217794 2004 42.650705093019525 2005 43.24615962905916 2006 45.40266648631828 2007 47.066479929378275 2008 48.4333068938277 2009 47.14425422017084 2010 48.33123737653588 2011 46.67325760060607 2012 45.87714208751787 2013 44.65202155120426 2014 44.83564726500512 2015 42.83522068009405 2016 42.005759778033735 2017 42.607750586969665 2018 42.24089660335692 2019 41.51686674802403 2020 41.240089108220374 2021 42.69455366210765 2022 43.508494797494784