Year % of GDP 1979 29.22435177170184 1980 27.007225941062135 1981 31.350394109199847 1982 32.73308161263312 1983 33.98177544958042 1984 32.04031412466689 1985 35.38437654732572 1986 32.61271602701896 1987 31.82499829643467 1988 38.548743850366925 1989 50.0091378198072 1990 50.43938258613807 1991 51.79727514235588 1992 49.39215552919743 1993 49.03072348860256 1994 49.32849500579852 1995 48.86136919753783 1996 48.17220139260847 1997 51.36200954400848 1998 51.730865734887075 1999 47.24836789806245 2000 46.26447334907354 2001 43.02757887617242 2002 43.65515886729366 2003 45.14465995185268 2004 45.92452706610094 2005 48.9817225878394 2006 46.13868172685229 2007 42.7366719963449 2008 49.317621122775634 2009 44.250568260117504 2010 45.72502155215206 2011 45.31051980602053 2012 45.241728845191886 2013 43.91291502652565 2014 39.91224889977579 2015 40.1339669465152 2016 39.71540753106934 2017 39.855088350951426 2018 42.77541017695278 2019 44.116858836511454 2020 20.50449794852948 2021 18.428086898578403 2022 41.82494897055452