Year % of GDP 1990 41.80779379998313 1991 40.32281470050971 1992 41.01437405840077 1993 43.41752660138491 1994 45.885551075066175 1995 47.9226970467714 1996 47.65412195313984 1997 45.53300063316723 1998 47.213066426198885 1999 45.428457735120425 2000 47.120276793157984 2001 48.49702751962966 2002 60.012201806239446 2003 57.37426756481789 2004 58.30013413086136 2005 60.675341770048604 2006 61.095915036504316 2007 67.0676273481738 2008 74.60757962390132 2009 64.01303395404682 2010 63.778038800394164 2011 64.80770721429828 2012 62.512693418462455 2013 62.5680153535586 2014 60.97748939684785 2015 55.55801512590536 2016 52.88542271857499 2017 52.54772945344886 2018 55.57222030644215 2019 52.62451782232803 2020 50.408051678271185 2021 55.73732029732613 2022 58.84839642775481 2023 56.18974513154639