Year % of GDP 1980 35.54891304347826 1981 35.23504761904762 1982 39.78747474747475 1983 39.10977443609023 1984 35.07643593519882 1985 32.859765625 1986 30.099019607843136 1987 30.834911242603553 1988 34.61336206896552 1989 39.529756468797565 1990 36.963706070287536 1991 37.64502112251056 1992 37.370329670329674 1993 43.61665765278529 1994 44.650077841203945 1995 45.94281553398058 1996 50.293661971830986 1997 53.85220588235294 1998 53.11072182355424 1999 56.01386098834873 2000 58.843804606830815 2001 63.9759336099585 2002 63.928847736625514 2003 56.19669917479369 2004 57.3071875 2005 62.53320287018917 2006 69.69939042684021 2007 85.67860231513774 2008 88.87127712027747 2009 93.51375065263701 2010 90.88051288713885 2011 88.17061824021158 2012 92.844575867407 2013 89.39735867576853 2014 79.35694926738375 2015 70.90519051843717 2016 64.04541463250261 2017 58.873712925966835 2018 55.90314093786054 2019 54.04418957978715 2020 78.67894590170968 2021 64.1589200037722 2022 51.04969790727106 2023 48.74767017575419