Year % of GDP 1970 44.180864974238816 1971 45.510761013004725 1972 46.525729400296065 1973 57.89781773196765 1974 74.64137006510907 1975 73.69200871739527 1976 75.41418013220712 1977 76.92383443306659 1978 73.55352877587679 1979 79.38918259863637 1980 80.9335661360345 1981 72.53552574677006 1982 61.59885765144193 1983 59.80599200447252 1984 62.4184568364333 1985 64.50003208984107 1986 64.33491934627492 1987 69.5802382311618 1988 70.40500542016981 1989 72.13422728258537 1990 75.83362624499831 1991 77.37196474451284 1992 81.75957785939109 1993 84.81218399009866 1994 85.96184261854063 1995 126.67044051016177 1996 114.09826861892046 1997 110.1659706631819 1998 109.42365270698558 1999 111.68411297488822 2000 120.24913047659204 2001 108.64496119135505 2002 113.40229569421243 2003 107.52222006029209 2004 103.1273745097033 2005 103.57952894727043 2006 123.40168375899488 2007 129.24431255840568 2008 148.49505327013833 2009 147.02200296927583 2010 150.94674122505197 2011 160.586339185438 2012 163.11997169900266 2013 155.9724343763072 2014 149.8125150881308 2015 154.61815559231786 2016 157.801342945413 2017 158.09699508483465 2018 160.70290035933323 2019 163.81808251500632 2020 173.80249312435515 2021 166.17730714983514 2022 165.987107779132 2023 166.71263470966008