Year Percent of GDP 1993 27.237 1994 20.061 1995 20.899 1996 19.981 1997 22.043 1998 22.135 1999 21.795 2000 24.005 2001 23.798 2002 22.554 2003 22.388 2004 22.736 2005 24.712 2006 24.775 2007 24.503 2008 22.501 2009 23.13 2010 23.075 2011 26.442 2012 27.143 2013 27.427 2014 27.604 2015 26.594 2016 26.26 2017 28.617 2018 29.02 2019 28.188 2020 27.777 2021 27.602 2022 27.781 2023 28.379 2024 28.925