Year Percent of GDP 1995 10.308 1996 10.389 1997 11.796 1998 13.876 1999 15.377 2000 14.322 2001 14.51 2002 13.871 2003 15.13 2004 13.412 2005 13.72 2006 14.672 2007 14.281 2008 13.64 2009 14.193 2010 14.526 2011 14.423 2012 14.015 2013 13.772 2014 13.395 2015 12.27 2016 12.088 2017 12.107 2018 12.244 2019 13.049 2020 13.266 2021 13.324 2022 13.374 2023 13.447 2024 13.54