Year % of GDP 1976 3.1267801625832288 1977 5.765457587486978 1978 7.350845707747797 1979 7.626917645076059 1980 8.656396229508196 1981 7.356098119527239 1982 8.423237574801256 1983 10.247634485588124 1984 8.284604915665957 1985 8.146087580961419 1986 7.669148983719186 1987 6.538015267728597 1988 4.865674021024921 1989 5.021783911025081 1990 5.014360681309853 1991 3.394382325011817 1992 3.2190438358492037 1993 2.7915018684742576 1994 3.3451156957068253 1995 2.8237637895129946 1996 2.0278692231119804 1997 2.73456924126094 1998 1.884488089582829 1999 1.5816086966317144 2000 1.0805670561390348 2001 1.5039278382917827 2002 3.6293710465620856 2003 3.5275718531791282 2004 2.983752766436309 2005 2.9474845785481656 2006 3.1636227638261536 2007 3.257288835489226 2008 3.4811421891523127 2009 4.653092302340239 2010 4.926042716613755 2011 5.31817590756805 2012 5.600403786488768 2013 5.6557475332943845 2014 6.353944444456267 2015 6.436114451617733 2016 6.319229662901346 2017 5.8536780681160625 2018 5.950947434483607 2019 6.934042740427899 2020 8.684013328892478 2021 8.98436279286431 2022 8.051485989568832 2023 7.848840393543907