Year % of GDP 1993 15.372305592386718 1994 21.801022508678898 1995 23.84740009327521 1996 22.43185175526875 1997 25.31572350624757 1998 24.81924695951668 1999 24.726094340767936 2000 24.692244276961468 2001 23.957068547225663 2002 23.96964481396487 2003 20.808497733367005 2004 21.182669593254023 2005 23.57730435451058 2006 23.00498741509275 2007 25.10471937946545 2008 23.831269389036525 2009 18.280563758961005 2010 21.265421743586646 2011 21.858006038512006 2012 23.151030242545367 2013 23.760936847015792 2014 23.77320786324448 2015 23.66705734030333 2016 21.858097461494413 2017 21.842115924399867 2018 22.456693261527132 2019 20.535106144474323 2020 19.92094696318805 2021 18.193783745653594 2022 15.282440777494896 2023 17.580792276168754