Year % of GDP 1990 61.46264219209135 1991 58.80856943811852 1992 51.61887605738794 1993 58.9975889231668 1994 59.99328114593702 1995 60.248724213456924 1996 60.911227770080465 1997 62.07232977343564 1998 63.75294133293671 1999 63.59120225911526 2000 60.47637219688311 2001 60.25438940455767 2002 60.923470553750114 2003 60.65127511512988 2004 59.736365169195736 2005 58.78827765752782 2006 56.973823183832785 2007 56.60583066730233 2008 56.286267958209045 2009 59.058696334093355 2010 57.63907761614435 2011 56.33057701361677 2012 56.7533871861295 2013 57.67902671761561 2014 57.576787321519376 2015 57.58602285230092 2016 57.85049512446246 2017 57.253853528514334 2018 55.64901587441863 2019 56.26499976505207 2020 56.14320027220035 2021 54.82736437201275 2022 54.161500045052016 2023 55.51879470899353