Year % of GDP 1990 52.59208731241473 1991 50.76721556886228 1992 63.838924503641 1993 65.69171974522293 1994 77.57427275153455 1995 84.34717405567531 1996 87.68206104076704 1997 74.46727669949024 1998 80.00348776376214 1999 75.77547614632725 2000 64.41152158707955 2001 61.496350364963504 2002 62.90144329896907 2003 59.962219268173236 2004 55.81229045039975 2005 42.12098223198243 2006 37.10298620520425 2007 33.40138573015285 2008 33.435566008590534 2009 42.756625423086106 2010 39.362533851407036 2011 37.25855381897777 2012 39.471025889737085 2013 41.90299405314358 2014 45.43761575623453 2015 56.690143435086426 2016 58.708452764740535 2017 57.58639024820225 2018 54.14061329471108 2019 57.506697502448226 2020 60.88585950858455 2021 52.36333087275974 2022 43.36271494117831 2023 53.21136046762137