Year % of GDP 1984 30.22642545056567 1985 30.873233878048005 1986 35.81013703104727 1987 36.25269405294146 1988 39.925851599108526 1989 40.188669676650356 1990 32.13384300556672 1991 32.08534414900343 1992 32.322933230216655 1993 32.39918935812533 1994 27.169444977751446 1995 27.88828376905907 1996 27.024118600859314 1997 26.352077960585905 1998 25.843160608217264 1999 26.353406536582476 2000 25.061267233600216 2001 24.962098127430355 2002 25.326930951512512 2003 27.354149126326003 2004 27.629517967436602 2005 31.723298491557312 2006 32.773240706513036 2007 33.441508727453666 2008 32.11274527818241 2009 30.098063866812907 2010 29.684687621558748 2011 28.10974995510984 2012 31.304611569174778 2013 32.4393005026492 2014 33.82881984824341 2015 32.67358661165615 2016 33.08987241069615 2017 35.91144630696992 2018 37.41765041615952 2019 38.20568407144788 2020 29.117988896169926 2021 37.706912990149064 2022 42.43944522051794 2023 38.988676920523304