Year Percent of GDP (Units) 1992 30.963 1993 30.936 1994 36.995 1995 10.333 1996 3.040 1997 6.815 1998 -26.641 1999 -33.315 2000 -21.079 2001 -24.775 2002 -0.070 2003 -2.348 2004 -0.869 2005 0.432 2006 -4.631 2007 -7.897 2008 -7.642 2009 -11.319 2010 -11.420 2011 12.796 2012 12.441 2013 2.278 2014 17.689 2015 22.392 2016 13.433 2017 24.756 2018 15.514 2019 12.988