Year Percent of GDP 1980 44.908 1981 46.402 1982 52.071 1983 57.614 1984 60.637 1985 65.626 1986 69.812 1987 70.253 1988 70.236 1989 71.488 1990 74.265 1991 81.245 1992 88.885 1993 94.732 1994 97.482 1995 100.087 1996 100.247 1997 95.276 1998 93.291 1999 88.967 2000 80.437 2001 81.463 2002 79.605 2003 75.912 2004 71.89 2005 70.641 2006 69.921 2007 66.861 2008 68.031 2009 79.395 2010 81.339 2011 81.907 2012 85.53 2013 86.214 2014 85.701 2015 91.32 2016 91.816 2017 90.093 2018 90.63 2019 88.013 2020 84.679 2021 81.254 2022 77.99 2023 74.854 2024 72.046