Year % of GDP 1990 32.922623515021435 1991 38.42766669182513 1992 39.85870969614333 1993 39.93801701892622 1994 37.09755390170865 1995 40.21071148012975 1996 38.13317443440089 1997 40.24953526694753 1998 42.051511992818405 1999 42.760331524916076 2000 48.09098981724343 2001 48.85651185711749 2002 45.004128604353355 2003 46.72804779397702 2004 57.05783989189425 2005 61.81322686473495 2006 64.87542344247795 2007 66.10076918632384 2008 62.95164809070807 2009 58.345429808412064 2010 65.54300540713822 2011 70.82186719273676 2012 75.64618656503245 2013 76.05838161576766 2014 81.95427457437883 2015 80.55877811499947 2016 79.10707663096355 2017 79.0271394981121 2018 76.94357595909337 2019 73.87978032626447 2020 69.94877153808523 2021 72.72823409563743 2022 76.45232425219642 2023 72.01070036698604