Year % of GDP 1997 1.3934933110587544 1998 1.2759909129015556 1999 1.2196896929742687 2000 1.2139791308070706 2001 1.1934838071266602 2002 1.0394794292809892 2003 1.188353866027907 2004 1.3351060348968844 2005 1.2104598291004085 2006 1.0694456595353068 2007 1.121940198718457 2008 1.1206924700942442 2009 1.0110947272706812 2010 1.0741314920530785 2011 1.2584813441300902 2012 1.2159388406778648 2013 1.3745931156791098 2014 1.2068197013168158 2015 1.0945489442998897 2016 1.006422210193737 2017 1.0137778883150412 2018 0.9600404634040756 2019 0.8978614036604543 2020 1.001980598577824 2021 1.0068739664794724