Year Percent of GDP 1980 29.305 1981 24.173 1982 28.737 1983 26.715 1984 27.182 1985 36.632 1986 35.909 1987 42.063 1988 53.215 1989 43.284 1990 46.369 1991 45.642 1992 43.323 1993 42.74 1994 29.629 1995 32.701 1996 38.614 1997 38.335 1998 42.185 1999 36.901 2000 38.972 2001 40.707 2002 35.012 2003 39.686 2004 35.113 2005 43.194 2006 45.155 2007 46.143 2008 33.454 2009 26.832 2010 38.239 2011 41.818 2012 40.623 2013 38.983 2014 43.499 2015 41.153 2016 38.813 2017 40.619 2018 36.339 2019 36.57 2020 36.63 2021 37.497 2022 38.4 2023 39.453 2024 39.665