Year % of GDP 1970 99.63216351766462 1971 99.94677426278061 1972 100.26362079883668 1973 99.71165502997104 1974 100.052742513637 1975 99.05181541500288 1976 100.08706040102231 1977 101.10931461130757 1978 101.07871282476306 1979 100.85809450115384 1980 100.45693374915612 1981 100.39039101776372 1982 100.59734630384871 1983 101.42106384137975 1984 102.54425077391022 1985 102.62776104701128 1986 102.87946779991664 1987 102.98174231213241 1988 102.08907276282085 1989 101.53751254081303 1990 101.30558644902756 1991 100.46465411815828 1992 100.53278002775015 1993 100.95025791860944 1994 101.2691780532427 1995 101.17492079909955 1996 101.19378847489236 1997 101.18881237910304 1998 101.79536892337117 1999 102.69489528377231 2000 103.71744009727098 2001 103.56029604810237 2002 104.02361290601209 2003 104.55599247585421 2004 105.19056091103064 2005 105.67444452292575 2006 105.69250678744429 2007 105.0844369730807 2008 105.01608613540195 2009 102.8950895171296 2010 103.53717872138898 2011 103.71555742111467 2012 103.39374319012524 2013 102.83432844512275 2014 102.89014091098106 2015 102.86591667382253 2016 102.67627933189587 2017 102.77037616875539 2018 102.87113276992113 2019 102.68803671880934 2020 102.93763761580831 2021 103.63752171046991 2022 103.77219517568837