Year Percent of GDP 1992 66.77 1993 78.627 1994 75.237 1995 71.393 1996 68.261 1997 64.278 1998 60.279 1999 56.764 2000 52.354 2001 48.508 2002 49.081 2003 46.15 2004 44.156 2005 37.412 2006 31.549 2007 27.346 2008 33.313 2009 40.182 2010 42.588 2011 46.071 2012 44.894 2013 44.046 2014 44.27 2015 39.76 2016 37.283 2017 34.775 2018 34.269 2019 33.613 2020 32.871 2021 35.173 2022 37.259 2023 38.926 2024 39.464