Year Percent of GDP 1992 14.495 1993 18.332 1994 22.058 1995 25.081 1996 24.737 1997 25.905 1998 26.915 1999 28.855 2000 28.521 2001 26.376 2002 25.35 2003 26.422 2004 28.606 2005 28.38 2006 30.177 2007 32.876 2008 32.695 2009 23.382 2010 22.24 2011 21.72 2012 18.706 2013 19.485 2014 19.577 2015 19.334 2016 18.709 2017 20.178 2018 21.163 2019 22.907 2020 23.715 2021 24.327 2022 24.892 2023 25.714 2024 26.675