Year % of GDP 1976 33.0103332676893 1977 34.538676202589116 1978 30.56211270534416 1979 31.33811601262885 1980 44.5764192139738 1981 46.380656610470275 1982 40.56473668897294 1983 33.63502575423105 1984 23.512953367875646 1985 26.042202038103678 1986 29.049576187660165 1987 25.321074856046067 1988 25.455214806808968 1989 26.371950507762342 1990 26.08787303441897 1991 26.679663181419105 1992 24.992859277956757 1993 28.94924561949783 1994 30.74332678740272 1995 31.16287983646004 1996 34.82154310507452 1997 38.05448394242006 1998 44.04418444072085 1999 41.79499529072202 2000 41.091124517962854 2001 30.55385613688855 2002 34.46018618167567 2003 34.42788341578892 2004 38.78654145736829 2005 45.243384929720754 2006 39.72040233964578 2007 41.55840096211513 2008 41.64887271834311 2009 46.1538291596222 2010 47.946319678552584 2011 47.05437872053111 2012 45.10410631219987 2013 46.761039976923236 2014 47.82593946057737 2015 48.05256987461746 2016 44.90862801227864 2017 43.18686852994186 2018 39.78043812730043 2019 41.146502149722224 2020 72.4722361354647 2021 64.65174169638563 2022 58.32272876162373 2023 58.268366693020624