Year % of GDP 1996 1.84843003749847 1999 2.23518991470337 2000 2.77273011207581 2001 2.46943998336792 2002 2.13504004478455 2003 2.1450400352478 2004 2.48673009872437 2005 2.71202993392944 2006 2.71577000617981 2007 3.01893997192383 2008 3.17272996902466 2009 3.84079003334045 2010 3.24900007247925 2011 3.14385008811951 2012 2.77248001098633 2013 2.65018010139465 2014 2.24724006652832 2015 2.80591011047363 2016 2.75812005996704 2017 2.70759010314941 2018 2.25586795806885 2019 2.57191228866577 2020 2.70555996894836 2021 2.77133989334106 2022 2.49326992034912