Year % of GDP 1975 7.276386150577335 1976 8.918472477152203 1977 17.533619421673695 1978 5.791420089447591 1979 8.628206776950444 1980 -6.986567632510382 1981 -9.367917745857403 1982 -8.822445646645969 1983 -8.937247039837008 1984 -11.60657336220111 1985 -3.0180636686234683 1986 2.3739772787208273 1987 10.733351352839906 1988 7.676159570442071 1989 15.86919268654329 1990 12.229360090093094 1991 9.816903037773043 1992 11.269296460367462 1993 8.230697823077158 1994 13.671332676838876 1995 10.498762069128576 1996 9.849050661719843 1997 14.265818983266513 1998 14.318016600431452 1999 10.37479555939522 2000 9.971180916601982 2001 12.039759675937034 2002 11.678611109859942 2003 14.73397912500336 2004 13.878500105646237 2005 13.06916288221545 2006 18.054862235575225 2007 16.770024933887136 2008 12.871827227679944 2009 15.20865375924852 2010 12.821726667296424 2011 14.297907607041447 2012 16.4647848789886 2013 16.49291518311629 2014 15.44921785031265 2015 15.43661542380314 2016 16.723680002637053 2017 14.373625136536376 2018 15.558880578219568 2019 15.074636288417542 2020 15.16221039572803 2021 13.830971856168366 2022 11.376654456091261