Year % of GDP 1979 0.014570863126227586 1980 0.1071493839208004 1981 0.07979848004926332 1982 0.03426652788817449 1983 0.039619919105446044 1984 0.04816368341377196 1985 0.07147852338504984 1986 0.06525466293563269 1987 0.08471679512527149 1988 0.07352508598883051 1989 0.12374502371203759 1990 0.09927345388601184 1991 0.13316307372847488 1992 0.3323443688699395 1993 0.24666462988903676 1994 0.284598909151829 1995 0.32579765275340017 1996 0.2917927824860017 1997 0.3720254150442987 1998 0.32670486867097814 1999 0.33037854206547856 2000 0.2633967481181885 2001 0.23839318144381405 2002 0.19196574465974603 2003 0.33602923194006173 2004 0.5393958302735669 2005 0.5701798859837207 2006 1.0790508375632721 2007 0.9423848471366605 2008 1.071282248102084 2009 0.7143904986873455 2010 0.9827235233627774 2011 0.7315921216232426 2012 0.7384041824311718 2013 0.7658653998718558 2014 0.9378097764684671 2015 1.0450380977770821 2016 1.1686064628738515 2017 0.8365057422314686 2018 0.762754954488154 2019 0.7534059926270438 2020 0.7392874713891929 2021 0.8125387272864744 2022 0.731572254171088