Year % of GDP 1972 11.819937300154013 1973 11.49521249130054 1974 11.837620361328282 1975 11.185800496645507 1976 10.748836881582909 1977 11.618646322987608 1978 11.542359050161188 1979 12.00380766351277 1980 12.138352651640163 1981 12.550509956062303 1982 11.978626641812626 1983 10.348268234949662 1984 10.159715653778607 1985 10.384240163411715 1986 10.16304588732149 1987 10.948845725678472 1988 10.595943272888936 1989 10.782440380177185 1990 10.465284755826792 1991 10.320342428682478 1992 9.984161837282088 1993 10.304934316377537 1994 10.623506635437634 1995 10.980989035110971 1996 11.373914577284971 1997 11.828199933967174 1998 12.329830779988164 1999 12.259982481882787 2000 12.970795297841606 2001 11.857704771974939 2002 9.868016676200838 2003 9.390692579289396 2004 9.537470791170085 2005 10.681732931866893 2006 11.310478899080842 2007 11.28991266408129 2008 10.276188091669374 2009 7.903517092440586 2010 8.56322203026373 2011 9.538928617491633 2012 9.76391736911044 2013 10.460225454147796 2014 10.899748173259432 2015 11.18282795989444 2016 10.85451498765243 2017 11.503886732793864 2018 9.929538940642265 2019 9.894363260374153 2020 10.211202483708867 2021 11.30040814136423 2022 12.177883576311908