Year % of GDP 2000 2.534419224891892 2001 2.4984945862704175 2002 2.5734068511285946 2003 2.6235877196577517 2004 2.4973682538818256 2005 2.4479090051658345 2006 2.5046474996055466 2007 2.0658060108836587 2008 1.6837320954858082 2009 1.3851391412030025 2010 1.0091967507316228 2011 0.9102527628339626 2012 0.793999422690006 2013 0.7233289251181857 2014 0.7766236012775372 2015 0.9707466456821132 2016 1.092591042849535 2017 1.5491909565736233 2018 1.681057303826206 2019 1.8339110246794084 2020 1.5272730400247996 2021 0.7527944829840655 2022 1.292118300536734