Year % of GDP 2000 11.301877922377706 2001 10.811205225810935 2002 10.923782282980962 2003 9.914987338821609 2004 9.261922058135697 2005 8.757659804935994 2006 8.21140388518037 2007 7.229072026322288 2008 7.44048654800711 2009 8.268183892105444 2010 7.6780828712133085 2011 8.072945781049327 2012 7.452450544196925 2013 8.034662500695172 2014 8.099835681660835 2015 8.061185734237567 2016 7.46824081972358 2017 6.853890741089221 2018 6.7322377887813545 2019 6.393841538508463 2020 7.554891790881635 2021 6.461483444585355 2022 6.043989062828641 2023 5.551832948885754