Year % of GDP 1984 1.81200236163872 1985 1.45481684687325 1986 2.88266513425412 1987 5.01005521773131 1988 9.13270283646684 1989 7.80170455371216 1990 6.87344518560215 1991 6.99010950699281 1992 7.099137155193 1993 6.09947224989715 1994 6.43767100336071 1995 9.05209671713853 1996 8.52381022158863 1997 7.63914334940498 1998 8.55336164340946 1999 5.11481902765556 2000 3.98002467263242 2001 4.45222579615322 2002 4.74233157631651 2003 5.68715480863349 2004 5.04923483984754 2005 3.2659618532618 2006 3.26671513334511 2007 3.8924387313394 2008 4.84161486952125 2009 4.06024879587667 2010 3.96567750708735 2011 4.4855549308167 2012 3.42906992113894 2013 3.19297130511819 2014 4.15344387600155 2015 2.78329524594104 2016 2.66611565616279 2017 2.61008665283784 2018 1.60636140612663 2019 1.42057799518842 2020 1.58688103695113 2021 1.49346268158709