Year % of GDP 1972 10.784103450871898 1973 10.919394810092186 1974 10.475225573992589 1975 10.044877804063432 1976 10.170334296746804 1977 10.490865794143614 1978 10.493259791896952 1979 10.379879002728346 1980 10.282566896309657 1981 10.056736961120713 1982 9.7944266111617 1983 9.750403110098363 1984 10.190858256491303 1985 10.196980845149021 1986 9.937883422296864 1987 10.084634391164862 1988 9.8164739733434 1989 10.25072193767361 1990 9.832283681838351 1991 11.629713709168874 1992 11.75387471651998 1993 11.46045725316839 1994 11.677844278647754 1995 11.476134930143935 1996 10.901851794023045 1997 10.729367972873058 1998 10.834979795673197 1999 11.508536135335133 2000 11.70500073491411 2001 10.961685400498954 2002 10.83530471493822 2003 10.998521412390293 2004 10.42629457419161 2005 10.65681660264562 2006 10.85162761836081 2007 11.334040127222899 2008 11.472301088949887 2009 11.61493705355865 2010 11.19029792544065 2011 11.481385229955894 2012 11.622986110858156 2013 11.611503370266954 2014 11.4825632039024 2015 11.4787289586211 2016 11.296120252397328 2017 11.41912241824704 2018 11.456981978635843 2019 11.410548313093138 2020 10.551336328087128 2021 11.202311020193783 2022 11.229670786032846