Year Percent of GDP 1980 54.656 1981 58.283 1982 58.367 1983 59.383 1984 58.756 1985 59.271 1986 60.757 1987 62.256 1988 60.863 1989 60.884 1990 61.741 1991 61.92 1992 58.358 1993 57.439 1994 56.82 1995 55.421 1996 57.341 1997 56.747 1998 56.928 1999 56.168 2000 55.651 2001 53.26 2002 51.453 2003 51.739 2004 51.765 2005 53.169 2006 52.206 2007 51.681 2008 50.906 2009 50.937 2010 49.681 2011 48.997 2012 49.253 2013 49.542 2014 48.505 2015 48.854 2016 49.865 2017 49.89 2018 49.499 2019 49.378 2020 49.275 2021 49.131 2022 49.128 2023 49.126 2024 49.123