Year Percent of GDP 1992 65.151 1993 66.905 1994 67.014 1995 68.838 1996 70.063 1997 69.894 1998 61.042 1999 64.955 2000 65.935 2001 54.707 2002 54.151 2003 55.128 2004 54.101 2005 52.422 2006 47.952 2007 44.8 2008 36.78 2009 34.733 2010 32.953 2011 36.795 2012 40.966 2013 44.486 2014 49.51 2015 52.315 2016 60.398 2017 67.708 2018 74.344 2019 79.663 2020 80.973 2021 78.318 2022 73.978 2023 69.067 2024 64.479