Year Percent of GDP 1995 84.056 1996 71.293 1997 61.907 1998 59.846 1999 59.712 2000 54.978 2001 51.584 2002 54.831 2003 57.382 2004 58.279 2005 60.216 2006 64.359 2007 65.254 2008 71.238 2009 77.469 2010 80.249 2011 80.482 2012 78.373 2013 77.145 2014 76.649 2015 76.607 2016 75.864 2017 73.251 2018 69.393 2019 66.618 2020 64.975 2021 63.507 2022 62.238 2023 60.974 2024 59.877