Year Percent of GDP 1989 19.845 1990 20.504 1991 14.936 1992 13.994 1993 8.535 1994 10.546 1995 13.124 1996 12.307 1997 12.97 1998 12.836 1999 13.69 2000 11.406 2001 13.675 2002 10.982 2003 13.919 2004 15.067 2005 15.626 2006 17.247 2007 16.75 2008 16.257 2009 16.297 2010 18.583 2011 19.227 2012 20.214 2013 21.462 2014 20.663 2015 21.826 2016 21.484 2017 21.387 2018 24.319 2019 23.981 2020 24.016 2021 24.242 2022 24.443 2023 24.586 2024 24.791