Year % of GDP 1975 25.157393786716785 1976 30.521262737373256 1977 40.82557621741852 1978 37.20380757206831 1979 37.8964288217788 1980 34.86593647951195 1981 34.16386159053203 1982 33.679125977755646 1983 38.45371541612556 1984 36.61528089076706 1985 75.78369246175866 1986 80.8650662094167 1987 65.10158259536247 1988 65.11160010106131 1989 82.13890311975499 1990 59.313839601036356 1991 70.53785986800499 1992 69.35449811511072 1993 99.50106178029895 1994 94.5588810622816 1995 112.829257361019 1996 117.69480147577376 1997 195.1704214186197 1998 227.11440340089965 1999 227.691182218586 2000 283.76448838475943 2001 184.0152775185785 2002 198.08093192261074 2003 200.81546814307458 2004 205.2665533597677 2005 224.41587935865743 2006 274.5559568430885 2007 259.74137859237004 2008 155.18851597191602 2009 192.10785405490992 2010 205.2858692160279 2011 152.19128930788455 2012 179.69152149982185 2013 218.1568410839903 2014 205.81368000938895 2015 218.8854131490873 2016 204.00710441544865 2017 242.5913476703445 2018 198.62494692841526 2019 254.30160893164629 2020 269.7580151411631 2021 286.16693679303495 2022 223.6638840147899