Year % of GDP 1992 2.24723333231322 1993 1.8173013500764001 1994 1.65407466226615 1995 1.57303477574917 1996 1.53636281209044 1997 1.40136831751909 1998 1.36118246899735 1999 1.211302468275 2000 1.09316627543634 2001 1.30048247372981 2002 1.3876185755663901 2003 1.40379833710615 2004 1.43065194465024 2005 1.4201971624414 2006 1.54218221292603 2007 1.44291454234963 2008 1.49291914113746 2009 1.58615682467018 2010 1.60312521178811 2011 1.29217076374929 2012 1.16679123354242 2013 1.0469482555709402 2014 0.9737395881967851 2015 0.930119531623913 2016 1.00428707817666 2017 0.9817806375258691 2018 0.977856790281467 2019 1.0543316103123 2020 1.0591092134634499 2021 1.2354412382520699 2022 1.1879860151950101