Year % of GDP 1991 29.593273374820594 1992 27.826675739962663 1993 30.369258370537256 1994 31.059457420837216 1995 39.19622484979396 1996 41.40941731644461 1997 46.943299949290065 1998 54.49971454065368 1999 58.38211939183742 2000 70.54871145804594 2001 66.16774792677303 2002 60.18313558690591 2003 60.28498885860547 2004 63.88404693705498 2005 65.29789423006876 2006 75.22804813014233 2007 77.67868554214613 2008 79.14437915909112 2009 70.77564397059875 2010 76.35760955948011 2011 80.35548630568947 2012 79.76926698829253 2013 78.93528784669613 2014 81.27112978024769 2015 79.79399410494081 2016 77.99918943102908 2017 79.30895154870086 2018 79.50519640691816 2019 79.22160266728827 2020 76.74758528702365 2021 79.74713584248029 2022 94.85574347038515 2023 76.09204416281754