Year % of GDP 1980 4.184749822479218 1981 0.9308782441588618 1982 0.7818791447703005 1983 3.7500814476247015 1984 1.0523315043939323 1985 0.8666679585127781 1986 5.072496792805053 1987 12.523984016138659 1988 5.7262528167961415 1989 12.546952201754127 1990 6.0465325653833935 1991 6.6989616297357015 1992 10.332273154018935 1993 10.627770590385092 1994 19.04664611181192 1995 17.32756372517366 1996 26.952896251299602 1997 21.624478065381535 1998 14.103328254880484 1999 22.62806083115947 2000 8.813527742593879 2001 3.81856672759095 2002 2.541356245347746 2003 2.8089102453353156 2004 3.403707301646699 2005 4.983188540568392 2006 7.1746102972935155 2007 15.53701532526652 2008 6.810018140219961 2009 8.137195547327801 2010 10.677855827482405 2011 11.68431903452059 2012 13.623990645239545 2013 15.705701215715894 2014 14.190098659763656 2015 12.53664793841189 2016 11.251843455994551 2017 10.291165642602072 2018 8.422811744418459 2019 7.959869217598131 2020 9.049884267575994 2021 9.09566853750788 2022 6.4443162735304576