Year Percent of GDP 1993 66.576 1994 68.963 1995 69.091 1996 69.462 1997 68.273 1998 66.004 1999 60.709 2000 50.746 2001 52.218 2002 50.238 2003 49.688 2004 48.852 2005 49.11 2006 43.932 2007 39.205 2008 37.738 2009 41.347 2010 38.603 2011 37.828 2012 38.1 2013 40.729 2014 45.462 2015 44.182 2016 42.361 2017 40.829 2018 39.01 2019 37.225 2020 35.473 2021 33.885 2022 32.292 2023 30.889 2024 29.388