Year Percent of GDP 1990 59.817 1991 57.885 1992 54.788 1993 53.274 1994 58.647 1995 51.468 1996 44.521 1997 42.538 1998 43.097 1999 57.782 2000 58.609 2001 56.524 2002 55.394 2003 53.91 2004 62.015 2005 65.449 2006 64.116 2007 55.49 2008 56.741 2009 63.572 2010 65.449 2011 68.767 2012 72.457 2013 74.973 2014 79.421 2015 79.356 2016 82.826 2017 74.152 2018 73.063 2019 71.377 2020 69.678 2021 68.098 2022 66.747 2023 65.593 2024 64.596