Year Percent of GDP 1990 70.913 1991 73.655 1992 76.233 1993 68.679 1994 68.195 1995 67.358 1996 68.755 1997 68.287 1998 81.481 1999 83.569 2000 79.866 2001 93.689 2002 94.324 2003 97.644 2004 94.687 2005 92.068 2006 85.117 2007 84.717 2008 95.343 2009 99.66 2010 96.981 2011 100.448 2012 104.783 2013 101.207 2014 96.116 2015 99.409 2016 103.73 2017 106.941 2018 108.341 2019 109.373 2020 111.192 2021 111.819 2022 112.56 2023 112.838 2024 117.049