Year % of GDP 1985 1.69631794601159 1986 1.32432807324792 1987 1.07681003380453 1988 1.46986451578583 1989 6.14258377468815 1990 5.74021866418925 1991 4.33099926402038 1992 5.05411784932473 1993 3.45589397714304 1994 3.37036932702577 1995 3.89338467045985 1996 3.35994286564849 1997 2.54637505124149 1998 2.63588867823278 1999 1.70948217261134 2000 1.6423184047466 2001 1.53842640416188 2002 1.70669122841982 2003 1.91290743964701 2004 1.53102836460499 2005 1.27130277630238 2006 1.50786461295623 2007 2.2278624620532 2008 2.45497224266318 2009 1.98132980935659 2010 1.83564330366126 2011 1.82592840997672 2012 1.70004277172662 2013 1.58012929636161 2014 1.81737511911996 2015 1.37935666204485 2016 1.21931943193327 2017 1.4993699534365 2018 1.38164260046733 2019 1.18372940985562 2020 1.13182111178626 2021 1.07137512098653