Year % of GDP 2000 24.641798721493636 2001 22.639356245892365 2002 19.390322905788587 2003 30.693083300671958 2004 36.86709834194428 2005 41.03197556894511 2006 49.526505698600296 2007 66.8906852179213 2008 29.656358771821328 2009 62.023017963246915 2010 61.09615441389302 2011 43.14393102750844 2012 48.22444264665677 2013 40.72929559499115 2014 35.12973370783916 2015 29.250305928409407 2016 36.9102080724744 2017 41.877662575948676 2018 38.96100142739473 2019 50.2600661864933 2020 52.334331972712604 2021 39.63089770653047 2022 34.44144242287414