Year % of GDP 1984 0.15934959087527267 1985 0.14788732713747282 1986 0.20823460080705594 1987 0.32190624306819543 1988 1.1186031806119874 1989 1.162388788215012 1990 1.2593004689116 1991 1.0115865470757113 1992 0.9576107188882035 1993 0.9113170641565453 1994 0.6478335640193998 1995 0.02268169920689091 1996 0.026685573568514347 1997 0.028620298019262223 1998 0.04686848825631603 1999 0.041253256256308206 2000 0.038123888280512414 2001 0.039272165293151105 2002 0.04148068675143929 2003 0.03784706667616756 2004 0.033978111190414544 2005 0.030341150766025254 2006 0.12263954076277919 2007 0.14689814029102494 2008 0.32635309965837284 2009 0.6438562519631903 2010 0.5857482600586624 2011 1.2605313640882485 2012 1.9914824807718108 2013 1.422291371013903 2014 1.41610631569986 2015 1.3115716620270752 2016 1.190019629331728 2017 1.4217466319478738 2018 1.3222592476783428 2019 1.5822181553169827 2020 1.2230981241804713 2021 1.1729045687363024 2022 1.5499351426878318 2023 1.4201716111148412