Year % of GDP 1981 35.270780877553356 1982 32.18014024880947 1983 34.313011837216465 1984 34.823984352674756 1985 32.84052183866583 1986 34.74000678915447 1987 37.35740110963861 1988 39.32364561051942 1989 41.28292429621395 1990 42.922356288058 1991 44.219923776008116 1992 44.991142730161464 1993 50.465042920921775 1994 52.52650380231751 1995 57.330557976277895 1996 63.85530355087744 1997 77.22864591726622 1998 80.07720151842102 1999 77.1614937122172 2000 85.1533685843639 2001 84.90038862375307 2002 83.84480409377893 2003 87.5746443636636 2004 87.12528482320484 2005 83.84567457080512 2006 80.85053867287749 2007 73.6449799920629 2008 67.6810707730401 2009 60.88659078697584 2010 66.10427851377968 2011 60.795836698708946 2012 57.84200551121636 2013 55.82478123341961 2014 57.46817208628905 2015 59.14159210446115 2016 61.77606576620356 2017 68.16836974349614 2018 72.16339829981749 2019 68.84184225850971 2020 58.16956030222815 2021 63.484609813671156 2022 72.42968361075991 2023 67.39662044398871