Year % of GDP 1972 5.90405988693237 1973 5.89171981811523 1974 5.67365980148315 1975 5.55022001266479 1976 6.16359996795654 1977 5.97280979156494 1978 6.44437980651855 1980 5.78014993667603 1981 5.54364013671875 1982 5.6788501739502 1983 5.64629983901978 1984 5.42936992645264 1985 5.25567007064819 1986 5.53984022140503 1987 5.7880802154541 1988 5.86597013473511 1989 6.29984998703003 1990 6.31036996841431 1991 6.37321996688843 1992 6.63613986968994 1993 7.6766300201416 1994 7.83044004440308 1995 7.69568014144897 1996 7.1380500793457 1997 7.30343008041382 1998 7.35759019851685 1999 6.96222019195557 2000 6.45934009552002 2001 6.82015991210938 2002 7.42246007919312 2003 7.39933013916016 2004 7.27744007110596 2005 6.84082984924316 2006 6.35822010040283 2007 6.50671005249023 2008 6.24915981292725 2009 7.07067012786865 2010 6.71042013168335 2011 6.41490983963013 2012 7.32766008377075 2013 7.43906021118164 2014 7.64403009414673 2015 7.52334976196289 2016 7.98444986343384 2017 7.84598016738892 2018 7.59563016891479 2019 7.8645601272583 2020 8.3728199005127 2021 4.96000003814697 2022 3.97000002861023