Year % of GDP 1973 4.826766512970486 1974 6.017606444277878 1975 7.1514638858495125 1976 3.861696114356798 1977 9.024034001908376 1978 10.715425745545744 1979 11.015301166107252 1980 9.914798422575972 1981 12.525062618526833 1982 12.861374416227497 1983 7.431091564406506 1984 3.984650993869793 1985 3.592857710823865 1986 2.0575757295915187 1987 0.5963794864036703 1988 2.3137898403792283 1989 5.506196866086125 1990 3.604611079612552 1991 4.121010294226785 1992 -6.03552617202573 1993 0.7060454102571515 1994 2.5088782273993586 1995 2.371037060876843 1996 4.870323714841838 1997 3.8337388770096457 1998 2.6985315452375422 1999 0.01894062511419055 2000 2.4585222628428496 2001 -0.9860405222713772 2002 7.107690017566461 2003 7.84845529254434 2004 0.4201388988144409 2005 4.0055590535973815 2006 3.645757616547763 2007 1.2597419390230045 2008 1.7527633736024821 2009 4.093043502104498 2010 1.6758183772409785 2011 2.3976325204825693 2012 2.3323941091249245 2013 5.166834035044024 2014 4.70417208899191 2015 1.470912442746641 2016 6.997296814262096 2017 3.1206470131814634 2018 -0.813783504350591 2019 1.9638240371171705 2020 13.051479925324255 2021 7.530048641728296 2022 2.8044412231220917