Year % of GDP 1975 13.010718601536247 1976 16.963356286515634 1977 16.42383989660165 1978 14.79252093224625 1979 13.761960205915354 1980 10.212678029340355 1981 12.15467410908118 1982 12.332844440647078 1983 10.589343262469372 1984 10.86311280620085 1985 12.088412071590305 1986 11.762232263670892 1987 11.577981920332402 1988 11.164416979823864 1989 10.846299191662304 1990 11.446137164255454 1991 10.101532565388254 1992 11.777115686584416 1993 12.525010479719253 1994 11.83532435399629 1995 12.15260018216348 1996 12.081366193783758 1997 12.542440546876493 1998 11.991740754545862 1999 12.871254437473869 2000 13.675468019245487 2001 15.88370011775217 2002 16.648686068646366 2003 16.655874876111437 2004 17.34294797617689 2005 19.039815430242047 2006 20.8865881745859 2007 22.405274981430388 2008 21.586259751148184 2009 21.482964575914963 2010 21.917881226571826 2011 22.232318510647517 2012 21.959619867125923 2013 18.94244872250584 2014 21.076178051660108 2015 20.456229408750293 2016 21.32208255737333 2017 22.90086076138526 2018 22.888373852525884 2019 22.48271014447227 2020 17.310583527083764 2021 16.91520244166852 2022 24.999194657020936