Year % of GDP 1986 6.924051590979628 1987 9.03559050011025 1988 8.337628344937535 1989 5.4269837636306395 1990 26.492674688759628 1991 4.903760784002074 1992 6.200104790141134 1993 5.722404540851801 1994 6.680966730810798 1995 6.322639787629794 1996 6.034434857537368 1997 9.266270921748829 1998 9.621498801092955 1999 11.43052610909074 2000 23.58047161548863 2001 18.783319700518746 2002 22.039757791359126 2003 9.43269346257176 2004 14.001704977645582 2005 15.106743913824866 2006 16.02974572402874 2007 18.669510626225 2008 20.548799143714795 2009 22.363801422545666 2010 24.061159543435316 2011 29.870239229446916 2012 28.76068147848761 2013 29.52023577379857 2014 42.943162530326575 2015 44.9387451635836 2016 45.370559303432735 2017 40.32419268944588 2018 42.28622855446586 2019 42.01824472041546 2020 45.61764672930115 2021 50.468926142009096 2022 46.72215520506384 2023 41.41542552355977