Year % of GDP 1992 56.09542078887283 1993 92.77179774903111 1994 79.97521486614795 1995 76.00649036468835 1996 84.04665878216672 1997 81.2974621991544 1998 79.39184751983889 1999 83.16222412221774 2000 75.12860916574517 2001 76.32607150833451 2002 75.9136399022845 2003 73.18410199106054 2004 68.51590408612674 2005 65.90719946745041 2006 64.8338358998149 2007 66.86658744235544 2008 65.37460033153877 2009 69.40009235330811 2010 74.02589384658836 2011 73.20474239043526 2012 74.77711519781622 2013 77.43258167290908 2014 76.56316130768549 2015 78.51986919157204 2016 80.43228952769304 2017 76.76226351187519 2018 75.36262020133535 2019 75.6937730796156 2020 75.03523213137669 2021 76.37486703303686 2022 77.59738040455258 2023 75.8857026280186