Year % of GDP 1987 35.0774254555549 1988 23.1682614474906 1989 26.4777974814329 1990 38.1948209582931 1991 23.6347338350186 1992 9.70585230583617 1993 24.677795374246 1994 16.3380941906672 1995 28.3259964450915 1996 32.6758365783035 1997 23.5922993575762 1998 1.49915543442281 1999 2.62882151574485 2000 28.8052994112694 2001 55.0087709271248 2002 34.3293247239732 2003 30.9012594581728 2004 23.5927753799222 2005 18.2592836501092 2006 32.0004828721463 2007 29.1790627036662 2008 34.8737412958034 2009 12.6608257043539 2010 13.0365514101396 2011 20.2142716527897 2012 18.7387438033312 2013 16.3792738401097 2014 11.3460551548795 2015 10.5831552386189 2016 6.00228092118605 2017 7.45503774698666 2018 11.5296473840406 2019 7.64579312393199