Year Percent of GDP 1989 21.089 1990 31.637 1991 37.962 1992 36.645 1993 36.75 1994 35.896 1995 32.027 1996 17.573 1997 24.54 1998 28.799 1999 32.28 2000 25.487 2001 31.614 2002 35.432 2003 29.792 2004 26.725 2005 24.162 2006 27.78 2007 33.716 2008 27.554 2009 25.337 2010 24.598 2011 29.45 2012 39.721 2013 54.28 2014 61.713 2015 57.4 2016 54.465 2017 35.124 2018 25.036 2019 25.519 2020 24.38 2021 25.016 2022 26.268 2023 27.454 2024 28.262