Year % of GDP 1996 37.116437158085475 1997 33.60416258127415 1998 24.370676457465844 1999 37.81349691778177 2000 30.03455180739847 2001 22.98867176038836 2002 24.939261135658413 2003 35.82885174953391 2004 44.056988779997596 2005 50.69357156585629 2006 60.63491762570348 2007 81.94758259945999 2008 36.71556086045538 2009 63.3253689069783 2010 66.07993099506993 2011 47.22447944574725 2012 54.48092807087917 2013 54.441494249867056 2014 56.87803996471551 2015 53.99628032680955 2016 55.13728570280518 2017 65.9711527637001 2018 55.73523956503214 2019 79.5506605346323 2020 100.44751010851273 2021 98.86529863504498 2022 91.01248390617337