Year % of GDP 1962 13.09075590928859 1963 14.00930790473945 1964 14.891834710862117 1965 13.578422465681728 1966 14.052817584638477 1967 15.55955310096904 1968 15.346481984022153 1969 15.038170100001281 1970 15.795373136793813 1971 16.544357138585674 1972 16.464437259891927 1973 15.154093059264842 1974 14.206218049659006 1975 13.687318202531381 1976 13.597371540040776 1977 14.917026987999973 1978 15.108468483241335 1979 16.33326166739661 1980 14.112215400620276 1981 13.293039139486096 1982 12.436972279098246 1983 12.17594064408093 1984 13.450870096892551 1985 14.397113944580386 1986 14.44066624662601 1987 14.535978559042631 1988 11.687387883994854 1989 11.433309812313176 1990 12.891456828216388 1991 14.25822377524737 1992 13.264093839822538 1993 13.651621539736885 1994 12.389514676326488 1995 9.469857843941336 1996 7.8565252901951 1997 8.28318409822561 1998 7.563906979602825 1999 7.207537902042772 2000 7.35204250409011 2001 6.97945716931924 2002 6.658481085497732 2003 7.538672415541072 2004 8.607274484996356 2005 8.495638303929399 2006 8.74657649819067 2007 8.729954720551568 2008 9.641725005781762 2009 9.931163636902642 2010 10.770924841427663 2011 10.070266324996721 2012 10.070167490113693 2013 11.03991429261566 2014 11.630948862760066 2015 12.284521509377418 2016 11.846332078013196 2017 12.630603552513337 2018 12.925026483868487 2019 14.046969565821243 2020 16.33190763107122 2021 17.534275871689974 2022 18.548505142868365 2023 16.74187852233945