Year % of GDP 1989 9.13083221041492 1990 8.33233955287922 1991 8.018383811682732 1992 7.629344449677529 1993 6.823831783714997 1994 7.342330939466956 1995 6.264463624828247 1996 6.036330691403488 1997 5.811935019348195 1998 5.748979762797485 1999 5.316246875563127 2000 4.884113115730384 2001 4.741604913045591 2002 5.147312455120591 2003 5.53746570095964 2004 5.242167624623964 2005 4.803329294690893 2006 4.588466781660198 2007 4.70172558132629 2008 4.816499727217541 2009 4.842126687785687 2010 4.748736250017575 2011 4.810645900636396 2012 4.570396967894996 2013 4.716355255020087 2014 4.729589844906772 2015 5.484133875702411 2016 6.0536980042013635 2017 5.758804005194746 2018 5.53959548030315 2019 5.547236279433452 2020 6.692593133465287 2021 7.048088789530135 2022 6.756115258846493 2023 6.7981425237842545