Year % GDP 1990 18.864653647310707 1991 21.414337007428266 1992 19.36491059598371 1993 19.10798097273522 1994 16.651228043614857 1995 16.509592534631658 1996 18.813004026422966 1997 20.544153200837382 1998 22.32858576057111 1999 25.187701266066743 2000 26.43043322560432 2001 23.560098124491393 2002 12.86938023722812 2003 13.333921893591704 2004 26.278680214469972 2005 27.11649319051417 2006 31.213794999396878 2007 37.11713942137653 2008 47.28319167124958 2009 47.038865909877735 2010 49.120239715331074 2011 51.82490678348473 2012 50.6216442958222 2013 51.90647839492162 2014 52.9216428286554 2015 53.64373403852495 2016 54.71974228431286 2017 52.64450063899729 2018 52.41146744942172 2019 50.78601978945086 2020 49.79838916665811 2021 46.25299566526381 2022 39.649043611970605 2023 34.76229840619307