Year % of GDP 1981 2.0103257648971815 1982 2.019364236240853 1983 0.8155529820850533 1984 -0.30475078483425755 1985 0.009305668736293026 1986 2.7563281316269386 1988 0.2938359133171153 1989 1.7866160599143193 1990 -0.26702316539810406 1991 7.896637501291429 1992 3.8898255741413603 1993 8.769665679462465 1994 5.606296935597302 1995 15.7606729943358 1996 3.6007163411283285 1997 2.59329270501304 1998 5.277157947213099 1999 4.785828558701293 2000 0.820388572485307 2001 6.658776390214759 2002 7.801445451635234 2003 6.635866544980032 2004 8.019347553694663 2005 5.300543492740816 2006 7.951092544799719 2007 4.403323329150011 2008 8.232123339409432 2009 3.76629250969127 2010 2.352904536288089 2011 9.929959848206273 2012 1.6486363536508775 2013 3.7020149939198213 2014 4.965455109841402 2015 2.5523110641425237 2016 2.835237577522327 2017 3.314663410902835 2018 4.242626371070773 2019 2.175309250685282 2020 12.86133274973736 2021 7.107917099576004 2022 8.777203563344631